19173699

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{7321}}^1$

素因数の和:7427

約数の個数: 16

約数和(自身を含む): 28702240

約数和(自身を除く): 9528541

約数列:

[1, 3, 9, 27, 97, 291, 873, 2619, 7321, 21963, 65889, 197667, 710137, 2130411, 6391233, 19173699]

約数ペア:

[(1, 19173699), (3, 6391233), (9, 2130411), (27, 710137), (97, 197667), (291, 65889), (873, 21963), (2619, 7321)]