20128163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 23280000

約数和(自身を除く): 3151837

約数列:

[1, 11, 19, 193, 209, 499, 2123, 3667, 5489, 9481, 40337, 96307, 104291, 1059377, 1829833, 20128163]

約数ペア:

[(1, 20128163), (11, 1829833), (19, 1059377), (193, 104291), (209, 96307), (499, 40337), (2123, 9481), (3667, 5489)]