19828408

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{22739}}^1$

素因数の和:22854

約数の個数: 16

約数和(自身を含む): 37521000

約数和(自身を除く): 17692592

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 22739, 45478, 90956, 181912, 2478551, 4957102, 9914204, 19828408]

約数ペア:

[(1, 19828408), (2, 9914204), (4, 4957102), (8, 2478551), (109, 181912), (218, 90956), (436, 45478), (872, 22739)]