18030025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 24920280

約数和(自身を除く): 6890255

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 1913, 9425, 9565, 24869, 47825, 55477, 124345, 277385, 621725, 721201, 1386925, 3606005, 18030025]

約数ペア:

[(1, 18030025), (5, 3606005), (13, 1386925), (25, 721201), (29, 621725), (65, 277385), (145, 124345), (325, 55477), (377, 47825), (725, 24869), (1885, 9565), (1913, 9425)]