19818335

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4511905

約数列:

[1, 5, 79, 131, 383, 395, 655, 1915, 10349, 30257, 50173, 51745, 151285, 250865, 3963667, 19818335]

約数ペア:

[(1, 19818335), (5, 3963667), (79, 250865), (131, 151285), (383, 51745), (395, 50173), (655, 30257), (1915, 10349)]