18475180

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1117}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 38879568

約数和(自身を除く): 20404388

約数列:

[1, 2, 4, 5, 10, 20, 827, 1117, 1654, 2234, 3308, 4135, 4468, 5585, 8270, 11170, 16540, 22340, 923759, 1847518, 3695036, 4618795, 9237590, 18475180]

約数ペア:

[(1, 18475180), (2, 9237590), (4, 4618795), (5, 3695036), (10, 1847518), (20, 923759), (827, 22340), (1117, 16540), (1654, 11170), (2234, 8270), (3308, 5585), (4135, 4468)]