19577212

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{2647}}^1$

素因数の和:2737

約数の個数: 18

約数和(自身を含む): 35088648

約数和(自身を除く): 15511436

約数列:

[1, 2, 4, 43, 86, 172, 1849, 2647, 3698, 5294, 7396, 10588, 113821, 227642, 455284, 4894303, 9788606, 19577212]

約数ペア:

[(1, 19577212), (2, 9788606), (4, 4894303), (43, 455284), (86, 227642), (172, 113821), (1849, 10588), (2647, 7396), (3698, 5294)]