19555911

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 30576000

約数和(自身を除く): 11020089

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3499, 5589, 10497, 31491, 80477, 94473, 241431, 283419, 724293, 850257, 2172879, 6518637, 19555911]

約数ペア:

[(1, 19555911), (3, 6518637), (9, 2172879), (23, 850257), (27, 724293), (69, 283419), (81, 241431), (207, 94473), (243, 80477), (621, 31491), (1863, 10497), (3499, 5589)]