19644.000000

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:361

約数の個数: 16

約数和(自身を含む): 812160

約数和(自身を除く): 273483

約数列:

[1, 3, 9, 27, 71, 213, 281, 639, 843, 1917, 2529, 7587, 19951, 59853, 179559, 538677]

約数ペア:

[(1, 538677), (3, 179559), (9, 59853), (27, 19951), (71, 7587), (213, 2529), (281, 1917), (639, 843)]