18234881

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2168

約数の個数: 16

約数和(自身を含む): 22070400

約数和(自身を除く): 3835519

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2089, 8729, 14623, 60581, 89827, 424067, 628789, 2604983, 18234881]

約数ペア:

[(1, 18234881), (7, 2604983), (29, 628789), (43, 424067), (203, 89827), (301, 60581), (1247, 14623), (2089, 8729)]