20181844180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21470047}}^1$

素因数の和:21470103

約数の個数: 24

約数和(自身を含む): 43283616768

約数和(自身を除く): 23101772588

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21470047, 42940094, 85880188, 107350235, 214700470, 429400940, 1009092209, 2018184418, 4036368836, 5045461045, 10090922090, 20181844180]

約数ペア:

[(1, 20181844180), (2, 10090922090), (4, 5045461045), (5, 4036368836), (10, 2018184418), (20, 1009092209), (47, 429400940), (94, 214700470), (188, 107350235), (235, 85880188), (470, 42940094), (940, 21470047)]