18022180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81919}}^1$

素因数の和:81939

約数の個数: 24

約数和(自身を含む): 41287680

約数和(自身を除く): 23265500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81919, 163838, 327676, 409595, 819190, 901109, 1638380, 1802218, 3604436, 4505545, 9011090, 18022180]

約数ペア:

[(1, 18022180), (2, 9011090), (4, 4505545), (5, 3604436), (10, 1802218), (11, 1638380), (20, 901109), (22, 819190), (44, 409595), (55, 327676), (110, 163838), (220, 81919)]