20181844190

素因数分解:

$2^1\times 5^1\times {\mathrm{5171}}^1\times {\mathrm{390289}}^1$

素因数の和:395467

約数の個数: 16

約数和(自身を含む): 36334437840

約数和(自身を除く): 16152593650

約数列:

[1, 2, 5, 10, 5171, 10342, 25855, 51710, 390289, 780578, 1951445, 3902890, 2018184419, 4036368838, 10090922095, 20181844190]

約数ペア:

[(1, 20181844190), (2, 10090922095), (5, 4036368838), (10, 2018184419), (5171, 3902890), (10342, 1951445), (25855, 780578), (51710, 390289)]