18460420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83911}}^1$

素因数の和:83931

約数の個数: 24

約数和(自身を含む): 42291648

約数和(自身を除く): 23831228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83911, 167822, 335644, 419555, 839110, 923021, 1678220, 1846042, 3692084, 4615105, 9230210, 18460420]

約数ペア:

[(1, 18460420), (2, 9230210), (4, 4615105), (5, 3692084), (10, 1846042), (11, 1678220), (20, 923021), (22, 839110), (44, 419555), (55, 335644), (110, 167822), (220, 83911)]