20180797468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{185957}}^1$

素因数の和:188061

約数の個数: 24

約数和(自身を含む): 38051469792

約数和(自身を除く): 17870672324

約数列:

[1, 2, 4, 13, 26, 52, 2087, 4174, 8348, 27131, 54262, 108524, 185957, 371914, 743828, 2417441, 4834882, 9669764, 388092259, 776184518, 1552369036, 5045199367, 10090398734, 20180797468]

約数ペア:

[(1, 20180797468), (2, 10090398734), (4, 5045199367), (13, 1552369036), (26, 776184518), (52, 388092259), (2087, 9669764), (4174, 4834882), (8348, 2417441), (27131, 743828), (54262, 371914), (108524, 185957)]