18554431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2374

約数の個数: 16

約数和(自身を含む): 22696960

約数和(自身を除く): 4142529

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2287, 8113, 16009, 43453, 139507, 304171, 976549, 2650633, 18554431]

約数ペア:

[(1, 18554431), (7, 2650633), (19, 976549), (61, 304171), (133, 139507), (427, 43453), (1159, 16009), (2287, 8113)]