19631781

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55931}}^1$

素因数の和:55953

約数の個数: 16

約数和(自身を含む): 31321920

約数和(自身を除く): 11690139

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55931, 167793, 503379, 727103, 1510137, 2181309, 6543927, 19631781]

約数ペア:

[(1, 19631781), (3, 6543927), (9, 2181309), (13, 1510137), (27, 727103), (39, 503379), (117, 167793), (351, 55931)]