19033217

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 23840136

約数和(自身を除く): 4806919

約数列:

[1, 7, 17, 49, 73, 119, 313, 511, 833, 1241, 2191, 3577, 5321, 8687, 15337, 22849, 37247, 60809, 159943, 260729, 388433, 1119601, 2719031, 19033217]

約数ペア:

[(1, 19033217), (7, 2719031), (17, 1119601), (49, 388433), (73, 260729), (119, 159943), (313, 60809), (511, 37247), (833, 22849), (1241, 15337), (2191, 8687), (3577, 5321)]