18239851

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{587}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 21901824

約数和(自身を除く): 3661973

約数列:

[1, 7, 23, 161, 193, 587, 1351, 4109, 4439, 13501, 31073, 94507, 113291, 793037, 2605693, 18239851]

約数ペア:

[(1, 18239851), (7, 2605693), (23, 793037), (161, 113291), (193, 94507), (587, 31073), (1351, 13501), (4109, 4439)]