19806339

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2011}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 31194048

約数和(自身を除く): 11387709

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 2011, 3283, 6033, 9849, 14077, 42231, 98539, 134737, 295617, 404211, 943159, 2829477, 6602113, 19806339]

約数ペア:

[(1, 19806339), (3, 6602113), (7, 2829477), (21, 943159), (49, 404211), (67, 295617), (147, 134737), (201, 98539), (469, 42231), (1407, 14077), (2011, 9849), (3283, 6033)]