18796580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85439}}^1$

素因数の和:85459

約数の個数: 24

約数和(自身を含む): 43061760

約数和(自身を除く): 24265180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85439, 170878, 341756, 427195, 854390, 939829, 1708780, 1879658, 3759316, 4699145, 9398290, 18796580]

約数ペア:

[(1, 18796580), (2, 9398290), (4, 4699145), (5, 3759316), (10, 1879658), (11, 1708780), (20, 939829), (22, 854390), (44, 427195), (55, 341756), (110, 170878), (220, 85439)]