18869806

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 9958994

約数列:

[1, 2, 103, 139, 206, 278, 659, 1318, 14317, 28634, 67877, 91601, 135754, 183202, 9434903, 18869806]

約数ペア:

[(1, 18869806), (2, 9434903), (103, 183202), (139, 135754), (206, 91601), (278, 67877), (659, 28634), (1318, 14317)]