19335591

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21701}}^1$

素因数の和:21724

約数の個数: 20

約数和(自身を含む): 31511304

約数和(自身を除く): 12175713

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21701, 65103, 195309, 238711, 585927, 716133, 1757781, 2148399, 6445197, 19335591]

約数ペア:

[(1, 19335591), (3, 6445197), (9, 2148399), (11, 1757781), (27, 716133), (33, 585927), (81, 238711), (99, 195309), (297, 65103), (891, 21701)]