20181978182

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3564461}}^1$

素因数の和:3564631

約数の個数: 16

約数和(自身を含む): 32080158000

約数和(自身を除く): 11898179818

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 3564461, 7128922, 67724759, 135449518, 531104689, 1062209378, 10090989091, 20181978182]

約数ペア:

[(1, 20181978182), (2, 10090989091), (19, 1062209378), (38, 531104689), (149, 135449518), (298, 67724759), (2831, 7128922), (5662, 3564461)]