19487493

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{19507}}^1$

素因数の和:19553

約数の個数: 16

約数和(自身を含む): 29652160

約数和(自身を除く): 10164667

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 19507, 58521, 175563, 526689, 721759, 2165277, 6495831, 19487493]

約数ペア:

[(1, 19487493), (3, 6495831), (9, 2165277), (27, 721759), (37, 526689), (111, 175563), (333, 58521), (999, 19507)]