18837279

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{743}}^1$

素因数の和:1068

約数の個数: 20

約数和(自身を含む): 28267536

約数和(自身を除く): 9430257

約数列:

[1, 3, 9, 27, 81, 313, 743, 939, 2229, 2817, 6687, 8451, 20061, 25353, 60183, 232559, 697677, 2093031, 6279093, 18837279]

約数ペア:

[(1, 18837279), (3, 6279093), (9, 2093031), (27, 697677), (81, 232559), (313, 60183), (743, 25353), (939, 20061), (2229, 8451), (2817, 6687)]