190039820

素因数分解:

$2^2\times 5^1\times {\mathrm{9501991}}^1$

素因数の和:9502000

約数の個数: 12

約数和(自身を含む): 399083664

約数和(自身を除く): 209043844

約数列:

[1, 2, 4, 5, 10, 20, 9501991, 19003982, 38007964, 47509955, 95019910, 190039820]

約数ペア:

[(1, 190039820), (2, 95019910), (4, 47509955), (5, 38007964), (10, 19003982), (20, 9501991)]