18171419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{491}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 22104576

約数和(自身を除く): 3933157

約数列:

[1, 7, 17, 119, 311, 491, 2177, 3437, 5287, 8347, 37009, 58429, 152701, 1068907, 2595917, 18171419]

約数ペア:

[(1, 18171419), (7, 2595917), (17, 1068907), (119, 152701), (311, 58429), (491, 37009), (2177, 8347), (3437, 5287)]