18388139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5081}}^1$

素因数の和:5146

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 5029717

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5081, 35567, 55891, 238807, 391237, 1671649, 2626877, 18388139]

約数ペア:

[(1, 18388139), (7, 2626877), (11, 1671649), (47, 391237), (77, 238807), (329, 55891), (517, 35567), (3619, 5081)]