18319160

素因数分解:

$2^3\times 5^1\times {\mathrm{457979}}^1$

素因数の和:457990

約数の個数: 16

約数和(自身を含む): 41218200

約数和(自身を除く): 22899040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457979, 915958, 1831916, 2289895, 3663832, 4579790, 9159580, 18319160]

約数ペア:

[(1, 18319160), (2, 9159580), (4, 4579790), (5, 3663832), (8, 2289895), (10, 1831916), (20, 915958), (40, 457979)]