18069908

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 14428012

約数列:

[1, 2, 4, 61, 103, 122, 206, 244, 412, 719, 1438, 2876, 6283, 12566, 25132, 43859, 74057, 87718, 148114, 175436, 296228, 4517477, 9034954, 18069908]

約数ペア:

[(1, 18069908), (2, 9034954), (4, 4517477), (61, 296228), (103, 175436), (122, 148114), (206, 87718), (244, 74057), (412, 43859), (719, 25132), (1438, 12566), (2876, 6283)]