19904312

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{52937}}^1$

素因数の和:52990

約数の個数: 16

約数和(自身を含む): 38115360

約数和(自身を除く): 18211048

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 52937, 105874, 211748, 423496, 2488039, 4976078, 9952156, 19904312]

約数ペア:

[(1, 19904312), (2, 9952156), (4, 4976078), (8, 2488039), (47, 423496), (94, 211748), (188, 105874), (376, 52937)]