19492767

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1117}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 32323616

約数和(自身を除く): 12830849

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1117, 1939, 2493, 3351, 5817, 7819, 10053, 17451, 23457, 70371, 309409, 928227, 2165863, 2784681, 6497589, 19492767]

約数ペア:

[(1, 19492767), (3, 6497589), (7, 2784681), (9, 2165863), (21, 928227), (63, 309409), (277, 70371), (831, 23457), (1117, 17451), (1939, 10053), (2493, 7819), (3351, 5817)]