20189332816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66412279}}^1$

素因数の和:66412306

約数の個数: 20

約数和(自身を含む): 41175613600

約数和(自身を除く): 20986280784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66412279, 132824558, 265649116, 531298232, 1062596464, 1261833301, 2523666602, 5047333204, 10094666408, 20189332816]

約数ペア:

[(1, 20189332816), (2, 10094666408), (4, 5047333204), (8, 2523666602), (16, 1261833301), (19, 1062596464), (38, 531298232), (76, 265649116), (152, 132824558), (304, 66412279)]