2018009090

素因数分解:

$2^1\times 5^1\times {\mathrm{201800909}}^1$

素因数の和:201800916

約数の個数: 8

約数和(自身を含む): 3632416380

約数和(自身を除く): 1614407290

約数列:

[1, 2, 5, 10, 201800909, 403601818, 1009004545, 2018009090]

約数ペア:

[(1, 2018009090), (2, 1009004545), (5, 403601818), (10, 201800909)]