19930235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8287}}^1$

素因数の和:8342

約数の個数: 16

約数和(自身を含む): 26455296

約数和(自身を除く): 6525061

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8287, 41435, 107731, 306619, 538655, 1533095, 3986047, 19930235]

約数ペア:

[(1, 19930235), (5, 3986047), (13, 1533095), (37, 538655), (65, 306619), (185, 107731), (481, 41435), (2405, 8287)]