19617939

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 31359744

約数和(自身を除く): 11741805

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2791, 7029, 8373, 25119, 30701, 92103, 198161, 276309, 594483, 1783449, 2179771, 6539313, 19617939]

約数ペア:

[(1, 19617939), (3, 6539313), (9, 2179771), (11, 1783449), (33, 594483), (71, 276309), (99, 198161), (213, 92103), (639, 30701), (781, 25119), (2343, 8373), (2791, 7029)]