18803180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85469}}^1$

素因数の和:85489

約数の個数: 24

約数和(自身を含む): 43076880

約数和(自身を除く): 24273700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85469, 170938, 341876, 427345, 854690, 940159, 1709380, 1880318, 3760636, 4700795, 9401590, 18803180]

約数ペア:

[(1, 18803180), (2, 9401590), (4, 4700795), (5, 3760636), (10, 1880318), (11, 1709380), (20, 940159), (22, 854690), (44, 427345), (55, 341876), (110, 170938), (220, 85469)]