18011180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81869}}^1$

素因数の和:81889

約数の個数: 24

約数和(自身を含む): 41262480

約数和(自身を除く): 23251300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81869, 163738, 327476, 409345, 818690, 900559, 1637380, 1801118, 3602236, 4502795, 9005590, 18011180]

約数ペア:

[(1, 18011180), (2, 9005590), (4, 4502795), (5, 3602236), (10, 1801118), (11, 1637380), (20, 900559), (22, 818690), (44, 409345), (55, 327476), (110, 163738), (220, 81869)]