18638630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109639}}^1$

素因数の和:109663

約数の個数: 16

約数和(自身を含む): 35523360

約数和(自身を除く): 16884730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 109639, 219278, 548195, 1096390, 1863863, 3727726, 9319315, 18638630]

約数ペア:

[(1, 18638630), (2, 9319315), (5, 3727726), (10, 1863863), (17, 1096390), (34, 548195), (85, 219278), (170, 109639)]