19220872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{218419}}^1$

素因数の和:218436

約数の個数: 16

約数和(自身を含む): 39315600

約数和(自身を除く): 20094728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 218419, 436838, 873676, 1747352, 2402609, 4805218, 9610436, 19220872]

約数ペア:

[(1, 19220872), (2, 9610436), (4, 4805218), (8, 2402609), (11, 1747352), (22, 873676), (44, 436838), (88, 218419)]