19495225

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{9871}}^1$

素因数の和:9960

約数の個数: 12

約数和(自身を含む): 24482560

約数和(自身を除く): 4987335

約数列:

[1, 5, 25, 79, 395, 1975, 9871, 49355, 246775, 779809, 3899045, 19495225]

約数ペア:

[(1, 19495225), (5, 3899045), (25, 779809), (79, 246775), (395, 49355), (1975, 9871)]