18199647

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9804

約数の個数: 20

約数和(自身を含む): 28372080

約数和(自身を除く): 10172433

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9769, 29307, 87921, 224687, 263763, 674061, 791289, 2022183, 6066549, 18199647]

約数ペア:

[(1, 18199647), (3, 6066549), (9, 2022183), (23, 791289), (27, 674061), (69, 263763), (81, 224687), (207, 87921), (621, 29307), (1863, 9769)]