18507940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84127}}^1$

素因数の和:84147

約数の個数: 24

約数和(自身を含む): 42400512

約数和(自身を除く): 23892572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84127, 168254, 336508, 420635, 841270, 925397, 1682540, 1850794, 3701588, 4626985, 9253970, 18507940]

約数ペア:

[(1, 18507940), (2, 9253970), (4, 4626985), (5, 3701588), (10, 1850794), (11, 1682540), (20, 925397), (22, 841270), (44, 420635), (55, 336508), (110, 168254), (220, 84127)]