19837143

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6619}}^1$

素因数の和:6668

約数の個数: 20

約数和(自身を含む): 30438760

約数和(自身を除く): 10601617

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6619, 19857, 59571, 178713, 244903, 536139, 734709, 2204127, 6612381, 19837143]

約数ペア:

[(1, 19837143), (3, 6612381), (9, 2204127), (27, 734709), (37, 536139), (81, 244903), (111, 178713), (333, 59571), (999, 19857), (2997, 6619)]