18199321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 22038400

約数和(自身を除く): 3839079

約数列:

[1, 7, 19, 133, 193, 709, 1351, 3667, 4963, 13471, 25669, 94297, 136837, 957859, 2599903, 18199321]

約数ペア:

[(1, 18199321), (7, 2599903), (19, 957859), (133, 136837), (193, 94297), (709, 25669), (1351, 13471), (3667, 4963)]