19287985

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 23748480

約数和(自身を除く): 4460495

約数列:

[1, 5, 59, 151, 295, 433, 755, 2165, 8909, 25547, 44545, 65383, 127735, 326915, 3857597, 19287985]

約数ペア:

[(1, 19287985), (5, 3857597), (59, 326915), (151, 127735), (295, 65383), (433, 44545), (755, 25547), (2165, 8909)]