18302225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 24373440

約数和(自身を除く): 6071215

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 727, 1007, 1325, 3635, 5035, 13813, 18175, 25175, 38531, 69065, 192655, 345325, 732089, 963275, 3660445, 18302225]

約数ペア:

[(1, 18302225), (5, 3660445), (19, 963275), (25, 732089), (53, 345325), (95, 192655), (265, 69065), (475, 38531), (727, 25175), (1007, 18175), (1325, 13813), (3635, 5035)]