19762841

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 23712768

約数和(自身を除く): 3949927

約数列:

[1, 7, 31, 61, 217, 427, 1493, 1891, 10451, 13237, 46283, 91073, 323981, 637511, 2823263, 19762841]

約数ペア:

[(1, 19762841), (7, 2823263), (31, 637511), (61, 323981), (217, 91073), (427, 46283), (1493, 13237), (1891, 10451)]