19776357

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 29922048

約数和(自身を除く): 10145691

約数列:

[1, 3, 9, 31, 73, 93, 219, 279, 657, 971, 2263, 2913, 6789, 8739, 20367, 30101, 70883, 90303, 212649, 270909, 637947, 2197373, 6592119, 19776357]

約数ペア:

[(1, 19776357), (3, 6592119), (9, 2197373), (31, 637947), (73, 270909), (93, 212649), (219, 90303), (279, 70883), (657, 30101), (971, 20367), (2263, 8739), (2913, 6789)]