17884719

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{11621}}^1$

素因数の和:11652

約数の個数: 20

約数和(自身を含む): 28125240

約数和(自身を除く): 10240521

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 11621, 34863, 104589, 220799, 313767, 662397, 941301, 1987191, 5961573, 17884719]

約数ペア:

[(1, 17884719), (3, 5961573), (9, 1987191), (19, 941301), (27, 662397), (57, 313767), (81, 220799), (171, 104589), (513, 34863), (1539, 11621)]