19660727

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 21260544

約数和(自身を除く): 1599817

約数列:

[1, 31, 37, 61, 281, 1147, 1891, 2257, 8711, 10397, 17141, 69967, 322307, 531371, 634217, 19660727]

約数ペア:

[(1, 19660727), (31, 634217), (37, 531371), (61, 322307), (281, 69967), (1147, 17141), (1891, 10397), (2257, 8711)]