19648899

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3323}}^1$

素因数の和:3408

約数の個数: 20

約数和(自身を含む): 29763096

約数和(自身を除く): 10114197

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3323, 5913, 9969, 29907, 89721, 242579, 269163, 727737, 2183211, 6549633, 19648899]

約数ペア:

[(1, 19648899), (3, 6549633), (9, 2183211), (27, 727737), (73, 269163), (81, 242579), (219, 89721), (657, 29907), (1971, 9969), (3323, 5913)]