19905688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226201}}^1$

素因数の和:226218

約数の個数: 16

約数和(自身を含む): 40716360

約数和(自身を除く): 20810672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226201, 452402, 904804, 1809608, 2488211, 4976422, 9952844, 19905688]

約数ペア:

[(1, 19905688), (2, 9952844), (4, 4976422), (8, 2488211), (11, 1809608), (22, 904804), (44, 452402), (88, 226201)]