18087740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82217}}^1$

素因数の和:82237

約数の個数: 24

約数和(自身を含む): 41437872

約数和(自身を除く): 23350132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82217, 164434, 328868, 411085, 822170, 904387, 1644340, 1808774, 3617548, 4521935, 9043870, 18087740]

約数ペア:

[(1, 18087740), (2, 9043870), (4, 4521935), (5, 3617548), (10, 1808774), (11, 1644340), (20, 904387), (22, 822170), (44, 411085), (55, 328868), (110, 164434), (220, 82217)]