18246865

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 29130192

約数和(自身を除く): 10883327

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 337, 455, 595, 637, 833, 1105, 1547, 1685, 2359, 3185, 4165, 4381, 5729, 7735, 10829, 11795, 16513, 21905, 28645, 30667, 40103, 54145, 74477, 82565, 153335, 200515, 214669, 280721, 372385, 521339, 1073345, 1403605, 2606695, 3649373, 18246865]

約数ペア:

[(1, 18246865), (5, 3649373), (7, 2606695), (13, 1403605), (17, 1073345), (35, 521339), (49, 372385), (65, 280721), (85, 214669), (91, 200515), (119, 153335), (221, 82565), (245, 74477), (337, 54145), (455, 40103), (595, 30667), (637, 28645), (833, 21905), (1105, 16513), (1547, 11795), (1685, 10829), (2359, 7735), (3185, 5729), (4165, 4381)]