19751525

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 25501344

約数和(自身を除く): 5749819

約数列:

[1, 5, 25, 37, 131, 163, 185, 655, 815, 925, 3275, 4075, 4847, 6031, 21353, 24235, 30155, 106765, 121175, 150775, 533825, 790061, 3950305, 19751525]

約数ペア:

[(1, 19751525), (5, 3950305), (25, 790061), (37, 533825), (131, 150775), (163, 121175), (185, 106765), (655, 30155), (815, 24235), (925, 21353), (3275, 6031), (4075, 4847)]