19389080

素因数分解:

$2^3\times 5^1\times {\mathrm{484727}}^1$

素因数の和:484738

約数の個数: 16

約数和(自身を含む): 43625520

約数和(自身を除く): 24236440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 484727, 969454, 1938908, 2423635, 3877816, 4847270, 9694540, 19389080]

約数ペア:

[(1, 19389080), (2, 9694540), (4, 4847270), (5, 3877816), (8, 2423635), (10, 1938908), (20, 969454), (40, 484727)]