19158220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22277}}^1$

素因数の和:22329

約数の個数: 24

約数和(自身を含む): 41169744

約数和(自身を除く): 22011524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22277, 44554, 89108, 111385, 222770, 445540, 957911, 1915822, 3831644, 4789555, 9579110, 19158220]

約数ペア:

[(1, 19158220), (2, 9579110), (4, 4789555), (5, 3831644), (10, 1915822), (20, 957911), (43, 445540), (86, 222770), (172, 111385), (215, 89108), (430, 44554), (860, 22277)]