1911156920

素因数分解:

$2^3\times 5^1\times {\mathrm{47778923}}^1$

素因数の和:47778934

約数の個数: 16

約数和(自身を含む): 4300103160

約数和(自身を除く): 2388946240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47778923, 95557846, 191115692, 238894615, 382231384, 477789230, 955578460, 1911156920]

約数ペア:

[(1, 1911156920), (2, 955578460), (4, 477789230), (5, 382231384), (8, 238894615), (10, 191115692), (20, 95557846), (40, 47778923)]