19587501

素因数分解:

$3^6\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 28

約数和(自身を含む): 29777692

約数和(自身を除く): 10190191

約数列:

[1, 3, 9, 27, 81, 97, 243, 277, 291, 729, 831, 873, 2493, 2619, 7479, 7857, 22437, 23571, 26869, 67311, 70713, 80607, 201933, 241821, 725463, 2176389, 6529167, 19587501]

約数ペア:

[(1, 19587501), (3, 6529167), (9, 2176389), (27, 725463), (81, 241821), (97, 201933), (243, 80607), (277, 70713), (291, 67311), (729, 26869), (831, 23571), (873, 22437), (2493, 7857), (2619, 7479)]