18929943

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1170

約数の個数: 28

約数和(自身を含む): 29642160

約数和(自身を除く): 10712217

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1129, 1863, 3387, 5589, 10161, 16767, 25967, 30483, 77901, 91449, 233703, 274347, 701109, 823041, 2103327, 6309981, 18929943]

約数ペア:

[(1, 18929943), (3, 6309981), (9, 2103327), (23, 823041), (27, 701109), (69, 274347), (81, 233703), (207, 91449), (243, 77901), (621, 30483), (729, 25967), (1129, 16767), (1863, 10161), (3387, 5589)]