18907161

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69257}}^1$

素因数の和:69280

約数の個数: 16

約数和(自身を含む): 31027584

約数和(自身を除く): 12120423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69257, 207771, 484799, 900341, 1454397, 2701023, 6302387, 18907161]

約数ペア:

[(1, 18907161), (3, 6302387), (7, 2701023), (13, 1454397), (21, 900341), (39, 484799), (91, 207771), (273, 69257)]