19628163

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3413}}^1$

素因数の和:3496

約数の個数: 20

約数和(自身を含む): 29742768

約数和(自身を除く): 10114605

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3413, 5751, 10239, 30717, 92151, 242323, 276453, 726969, 2180907, 6542721, 19628163]

約数ペア:

[(1, 19628163), (3, 6542721), (9, 2180907), (27, 726969), (71, 276453), (81, 242323), (213, 92151), (639, 30717), (1917, 10239), (3413, 5751)]