19403923

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 25195520

約数和(自身を除く): 5791597

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 739, 847, 2387, 3751, 5173, 8129, 22909, 26257, 56903, 89419, 160363, 251999, 625933, 1763993, 2771989, 19403923]

約数ペア:

[(1, 19403923), (7, 2771989), (11, 1763993), (31, 625933), (77, 251999), (121, 160363), (217, 89419), (341, 56903), (739, 26257), (847, 22909), (2387, 8129), (3751, 5173)]