18467919

素因数分解:

$3^4\times {\mathrm{23}}^2\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 30

約数和(自身を含む): 28906416

約数和(自身を除く): 10438497

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 431, 529, 621, 1293, 1587, 1863, 3879, 4761, 9913, 11637, 14283, 29739, 34911, 42849, 89217, 227999, 267651, 683997, 802953, 2051991, 6155973, 18467919]

約数ペア:

[(1, 18467919), (3, 6155973), (9, 2051991), (23, 802953), (27, 683997), (69, 267651), (81, 227999), (207, 89217), (431, 42849), (529, 34911), (621, 29739), (1293, 14283), (1587, 11637), (1863, 9913), (3879, 4761)]