18682180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84919}}^1$

素因数の和:84939

約数の個数: 24

約数和(自身を含む): 42799680

約数和(自身を除く): 24117500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84919, 169838, 339676, 424595, 849190, 934109, 1698380, 1868218, 3736436, 4670545, 9341090, 18682180]

約数ペア:

[(1, 18682180), (2, 9341090), (4, 4670545), (5, 3736436), (10, 1868218), (11, 1698380), (20, 934109), (22, 849190), (44, 424595), (55, 339676), (110, 169838), (220, 84919)]