18090820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82231}}^1$

素因数の和:82251

約数の個数: 24

約数和(自身を含む): 41444928

約数和(自身を除く): 23354108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82231, 164462, 328924, 411155, 822310, 904541, 1644620, 1809082, 3618164, 4522705, 9045410, 18090820]

約数ペア:

[(1, 18090820), (2, 9045410), (4, 4522705), (5, 3618164), (10, 1809082), (11, 1644620), (20, 904541), (22, 822310), (44, 411155), (55, 328924), (110, 164462), (220, 82231)]