9975724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{20611}}^1$

素因数の和:20637

約数の個数: 18

約数和(自身を含む): 19189772

約数和(自身を除く): 9214048

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 20611, 41222, 82444, 226721, 453442, 906884, 2493931, 4987862, 9975724]

約数ペア:

[(1, 9975724), (2, 4987862), (4, 2493931), (11, 906884), (22, 453442), (44, 226721), (121, 82444), (242, 41222), (484, 20611)]