17859107

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2930

約数の個数: 16

約数和(自身を含む): 21949440

約数和(自身を除く): 4090333

約数列:

[1, 7, 19, 47, 133, 329, 893, 2857, 6251, 19999, 54283, 134279, 379981, 939953, 2551301, 17859107]

約数ペア:

[(1, 17859107), (7, 2551301), (19, 939953), (47, 379981), (133, 134279), (329, 54283), (893, 19999), (2857, 6251)]