18671620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84871}}^1$

素因数の和:84891

約数の個数: 24

約数和(自身を含む): 42775488

約数和(自身を除く): 24103868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84871, 169742, 339484, 424355, 848710, 933581, 1697420, 1867162, 3734324, 4667905, 9335810, 18671620]

約数ペア:

[(1, 18671620), (2, 9335810), (4, 4667905), (5, 3734324), (10, 1867162), (11, 1697420), (20, 933581), (22, 848710), (44, 424355), (55, 339484), (110, 169742), (220, 84871)]