19990400211070

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32771147887}}^1$

素因数の和:32771147955

約数の個数: 16

約数和(自身を含む): 36572601043008

約数和(自身を除く): 16582200831938

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32771147887, 65542295774, 163855739435, 327711478870, 1999040021107, 3998080042214, 9995200105535, 19990400211070]

約数ペア:

[(1, 19990400211070), (2, 9995200105535), (5, 3998080042214), (10, 1999040021107), (61, 327711478870), (122, 163855739435), (305, 65542295774), (610, 32771147887)]