18685886

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1739

約数の個数: 16

約数和(自身を含む): 28800240

約数和(自身を除く): 10114354

約数列:

[1, 2, 61, 97, 122, 194, 1579, 3158, 5917, 11834, 96319, 153163, 192638, 306326, 9342943, 18685886]

約数ペア:

[(1, 18685886), (2, 9342943), (61, 306326), (97, 192638), (122, 153163), (194, 96319), (1579, 11834), (3158, 5917)]