18742801

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5179}}^1$

素因数の和:5244

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 5126639

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5179, 36253, 56969, 243413, 398783, 1703891, 2677543, 18742801]

約数ペア:

[(1, 18742801), (7, 2677543), (11, 1703891), (47, 398783), (77, 243413), (329, 56969), (517, 36253), (3619, 5179)]