18078220

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1093}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 38044944

約数和(自身を除く): 19966724

約数列:

[1, 2, 4, 5, 10, 20, 827, 1093, 1654, 2186, 3308, 4135, 4372, 5465, 8270, 10930, 16540, 21860, 903911, 1807822, 3615644, 4519555, 9039110, 18078220]

約数ペア:

[(1, 18078220), (2, 9039110), (4, 4519555), (5, 3615644), (10, 1807822), (20, 903911), (827, 21860), (1093, 16540), (1654, 10930), (2186, 8270), (3308, 5465), (4135, 4372)]