19930975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 26292960

約数和(自身を除く): 6361985

約数列:

[1, 5, 25, 29, 37, 145, 185, 725, 743, 925, 1073, 3715, 5365, 18575, 21547, 26825, 27491, 107735, 137455, 538675, 687275, 797239, 3986195, 19930975]

約数ペア:

[(1, 19930975), (5, 3986195), (25, 797239), (29, 687275), (37, 538675), (145, 137455), (185, 107735), (725, 27491), (743, 26825), (925, 21547), (1073, 18575), (3715, 5365)]