19493973

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10169}}^1$

素因数の和:10249

約数の個数: 16

約数和(自身を含む): 29289600

約数和(自身を除く): 9795627

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10169, 30507, 91521, 274563, 721999, 2165997, 6497991, 19493973]

約数ペア:

[(1, 19493973), (3, 6497991), (9, 2165997), (27, 721999), (71, 274563), (213, 91521), (639, 30507), (1917, 10169)]