18081580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82189}}^1$

素因数の和:82209

約数の個数: 24

約数和(自身を含む): 41423760

約数和(自身を除く): 23342180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82189, 164378, 328756, 410945, 821890, 904079, 1643780, 1808158, 3616316, 4520395, 9040790, 18081580]

約数ペア:

[(1, 18081580), (2, 9040790), (4, 4520395), (5, 3616316), (10, 1808158), (11, 1643780), (20, 904079), (22, 821890), (44, 410945), (55, 328756), (110, 164378), (220, 82189)]