19806804

素因数分解:

$2^2\times 3^2\times {\mathrm{550189}}^1$

素因数の和:550199

約数の個数: 18

約数和(自身を含む): 50067290

約数和(自身を除く): 30260486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550189, 1100378, 1650567, 2200756, 3301134, 4951701, 6602268, 9903402, 19806804]

約数ペア:

[(1, 19806804), (2, 9903402), (3, 6602268), (4, 4951701), (6, 3301134), (9, 2200756), (12, 1650567), (18, 1100378), (36, 550189)]