18794380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85429}}^1$

素因数の和:85449

約数の個数: 24

約数和(自身を含む): 43056720

約数和(自身を除く): 24262340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85429, 170858, 341716, 427145, 854290, 939719, 1708580, 1879438, 3758876, 4698595, 9397190, 18794380]

約数ペア:

[(1, 18794380), (2, 9397190), (4, 4698595), (5, 3758876), (10, 1879438), (11, 1708580), (20, 939719), (22, 854290), (44, 427145), (55, 341716), (110, 170858), (220, 85429)]