19769121

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 30503616

約数和(自身を除く): 10734495

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2221, 2967, 6663, 8901, 19989, 51083, 95503, 153249, 286509, 459747, 859527, 2196569, 6589707, 19769121]

約数ペア:

[(1, 19769121), (3, 6589707), (9, 2196569), (23, 859527), (43, 459747), (69, 286509), (129, 153249), (207, 95503), (387, 51083), (989, 19989), (2221, 8901), (2967, 6663)]