19956429

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17189}}^1$

素因数の和:17241

約数の個数: 16

約数和(自身を含む): 30254400

約数和(自身を除く): 10297971

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17189, 51567, 154701, 464103, 739127, 2217381, 6652143, 19956429]

約数ペア:

[(1, 19956429), (3, 6652143), (9, 2217381), (27, 739127), (43, 464103), (129, 154701), (387, 51567), (1161, 17189)]