18387380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83579}}^1$

素因数の和:83599

約数の個数: 24

約数和(自身を含む): 42124320

約数和(自身を除く): 23736940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83579, 167158, 334316, 417895, 835790, 919369, 1671580, 1838738, 3677476, 4596845, 9193690, 18387380]

約数ペア:

[(1, 18387380), (2, 9193690), (4, 4596845), (5, 3677476), (10, 1838738), (11, 1671580), (20, 919369), (22, 835790), (44, 417895), (55, 334316), (110, 167158), (220, 83579)]