18190265

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 22634640

約数和(自身を除く): 4444375

約数列:

[1, 5, 41, 89, 205, 445, 997, 3649, 4985, 18245, 40877, 88733, 204385, 443665, 3638053, 18190265]

約数ペア:

[(1, 18190265), (5, 3638053), (41, 443665), (89, 204385), (205, 88733), (445, 40877), (997, 18245), (3649, 4985)]