19192505

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 4394695

約数列:

[1, 5, 83, 103, 415, 449, 515, 2245, 8549, 37267, 42745, 46247, 186335, 231235, 3838501, 19192505]

約数ペア:

[(1, 19192505), (5, 3838501), (83, 231235), (103, 186335), (415, 46247), (449, 42745), (515, 37267), (2245, 8549)]