19818149121

素因数分解:

$3^3\times {\mathrm{457}}^1\times {\mathrm{1606139}}^1$

素因数の和:1606605

約数の個数: 16

約数和(自身を含む): 29424484800

約数和(自身を除く): 9606335679

約数列:

[1, 3, 9, 27, 457, 1371, 4113, 12339, 1606139, 4818417, 14455251, 43365753, 734005523, 2202016569, 6606049707, 19818149121]

約数ペア:

[(1, 19818149121), (3, 6606049707), (9, 2202016569), (27, 734005523), (457, 43365753), (1371, 14455251), (4113, 4818417), (12339, 1606139)]