18696572

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 33973632

約数和(自身を除く): 15277060

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1531, 3053, 3062, 6106, 6124, 12212, 65833, 108701, 131666, 217402, 263332, 434804, 4674143, 9348286, 18696572]

約数ペア:

[(1, 18696572), (2, 9348286), (4, 4674143), (43, 434804), (71, 263332), (86, 217402), (142, 131666), (172, 108701), (284, 65833), (1531, 12212), (3053, 6124), (3062, 6106)]