1900381820

素因数分解:

$2^2\times 5^1\times {\mathrm{95019091}}^1$

素因数の和:95019100

約数の個数: 12

約数和(自身を含む): 3990801864

約数和(自身を除く): 2090420044

約数列:

[1, 2, 4, 5, 10, 20, 95019091, 190038182, 380076364, 475095455, 950190910, 1900381820]

約数ペア:

[(1, 1900381820), (2, 950190910), (4, 475095455), (5, 380076364), (10, 190038182), (20, 95019091)]