18193317

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 26005536

約数和(自身を除く): 7812219

約数列:

[1, 3, 19, 57, 107, 157, 321, 361, 471, 1083, 2033, 2983, 6099, 8949, 16799, 38627, 50397, 56677, 115881, 170031, 319181, 957543, 6064439, 18193317]

約数ペア:

[(1, 18193317), (3, 6064439), (19, 957543), (57, 319181), (107, 170031), (157, 115881), (321, 56677), (361, 50397), (471, 38627), (1083, 16799), (2033, 8949), (2983, 6099)]