18556942

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 28359360

約数和(自身を除く): 9802418

約数列:

[1, 2, 79, 158, 257, 457, 514, 914, 20303, 36103, 40606, 72206, 117449, 234898, 9278471, 18556942]

約数ペア:

[(1, 18556942), (2, 9278471), (79, 234898), (158, 117449), (257, 72206), (457, 40606), (514, 36103), (914, 20303)]