18987656

素因数分解:

$2^3\times {\mathrm{1061}}^1\times {\mathrm{2237}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 35651340

約数和(自身を除く): 16663684

約数列:

[1, 2, 4, 8, 1061, 2122, 2237, 4244, 4474, 8488, 8948, 17896, 2373457, 4746914, 9493828, 18987656]

約数ペア:

[(1, 18987656), (2, 9493828), (4, 4746914), (8, 2373457), (1061, 17896), (2122, 8948), (2237, 8488), (4244, 4474)]