18568216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{136531}}^1$

素因数の和:136554

約数の個数: 16

約数和(自身を含む): 36863640

約数和(自身を除く): 18295424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 136531, 273062, 546124, 1092248, 2321027, 4642054, 9284108, 18568216]

約数ペア:

[(1, 18568216), (2, 9284108), (4, 4642054), (8, 2321027), (17, 1092248), (34, 546124), (68, 273062), (136, 136531)]