19267420

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1423}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 40549824

約数和(自身を除く): 21282404

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1423, 2708, 2846, 3385, 5692, 6770, 7115, 13540, 14230, 28460, 963371, 1926742, 3853484, 4816855, 9633710, 19267420]

約数ペア:

[(1, 19267420), (2, 9633710), (4, 4816855), (5, 3853484), (10, 1926742), (20, 963371), (677, 28460), (1354, 14230), (1423, 13540), (2708, 7115), (2846, 6770), (3385, 5692)]