2018346740

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{101221}}^1$

素因数の和:102227

約数の個数: 24

約数和(自身を含む): 4242821352

約数和(自身を除く): 2224474612

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 19940, 101221, 202442, 404884, 506105, 1012210, 2024420, 100917337, 201834674, 403669348, 504586685, 1009173370, 2018346740]

約数ペア:

[(1, 2018346740), (2, 1009173370), (4, 504586685), (5, 403669348), (10, 201834674), (20, 100917337), (997, 2024420), (1994, 1012210), (3988, 506105), (4985, 404884), (9970, 202442), (19940, 101221)]