Mathematics, 06.11.2020 06:50 susanasalleyp3enwe

Define a function S : Z+ → Z+ as follows. For each positive integer n, S(n) = the sum of the positive divisors of n.
Find the following.
(a) S(1) =
(b) S(15) =
(c) S(19) =
(d) S(3) =
(e) S(18) =
(f) S(21) =

Answers: 1

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Define a function S : Z+ → Z+ as follows. For each positive integer n, S(n) = the sum of the positi...