18862820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49639}}^1$

素因数の和:49667

約数の個数: 24

約数和(自身を含む): 41697600

約数和(自身を除く): 22834780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49639, 99278, 198556, 248195, 496390, 943141, 992780, 1886282, 3772564, 4715705, 9431410, 18862820]

約数ペア:

[(1, 18862820), (2, 9431410), (4, 4715705), (5, 3772564), (10, 1886282), (19, 992780), (20, 943141), (38, 496390), (76, 248195), (95, 198556), (190, 99278), (380, 49639)]