19271225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 26040000

約数和(自身を除く): 6768775

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1399, 2755, 6995, 13775, 26581, 34975, 40571, 132905, 202855, 664525, 770849, 1014275, 3854245, 19271225]

約数ペア:

[(1, 19271225), (5, 3854245), (19, 1014275), (25, 770849), (29, 664525), (95, 202855), (145, 132905), (475, 40571), (551, 34975), (725, 26581), (1399, 13775), (2755, 6995)]