19149080

素因数分解:

$2^3\times 5^1\times {\mathrm{478727}}^1$

素因数の和:478738

約数の個数: 16

約数和(自身を含む): 43085520

約数和(自身を除く): 23936440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478727, 957454, 1914908, 2393635, 3829816, 4787270, 9574540, 19149080]

約数ペア:

[(1, 19149080), (2, 9574540), (4, 4787270), (5, 3829816), (8, 2393635), (10, 1914908), (20, 957454), (40, 478727)]