18510884

素因数分解:

$2^2\times 7^1\times {\mathrm{661103}}^1$

素因数の和:661114

約数の個数: 12

約数和(自身を含む): 37021824

約数和(自身を除く): 18510940

約数列:

[1, 2, 4, 7, 14, 28, 661103, 1322206, 2644412, 4627721, 9255442, 18510884]

約数ペア:

[(1, 18510884), (2, 9255442), (4, 4627721), (7, 2644412), (14, 1322206), (28, 661103)]