19656891

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16931}}^1$

素因数の和:16983

約数の個数: 16

約数和(自身を含む): 29800320

約数和(自身を除く): 10143429

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16931, 50793, 152379, 457137, 728033, 2184099, 6552297, 19656891]

約数ペア:

[(1, 19656891), (3, 6552297), (9, 2184099), (27, 728033), (43, 457137), (129, 152379), (387, 50793), (1161, 16931)]