18837379

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 21790080

約数和(自身を除く): 2952701

約数列:

[1, 11, 19, 193, 209, 467, 2123, 3667, 5137, 8873, 40337, 90131, 97603, 991441, 1712489, 18837379]

約数ペア:

[(1, 18837379), (11, 1712489), (19, 991441), (193, 97603), (209, 90131), (467, 40337), (2123, 8873), (3667, 5137)]