19788357

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{661}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 28026432

約数和(自身を除く): 8238075

約数列:

[1, 3, 17, 51, 587, 661, 1761, 1983, 9979, 11237, 29937, 33711, 388007, 1164021, 6596119, 19788357]

約数ペア:

[(1, 19788357), (3, 6596119), (17, 1164021), (51, 388007), (587, 33711), (661, 29937), (1761, 11237), (1983, 9979)]