19277991

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{30169}}^1$

素因数の和:30246

約数の個数: 12

約数和(自身を含む): 28239120

約数和(自身を除く): 8961129

約数列:

[1, 3, 9, 71, 213, 639, 30169, 90507, 271521, 2141999, 6425997, 19277991]

約数ペア:

[(1, 19277991), (3, 6425997), (9, 2141999), (71, 271521), (213, 90507), (639, 30169)]