18795161

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 25574400

約数和(自身を除く): 6779239

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 443, 551, 1463, 2233, 3101, 3857, 4873, 6061, 8417, 12847, 34111, 42427, 58919, 89929, 92587, 141317, 244093, 648109, 989219, 1708651, 2685023, 18795161]

約数ペア:

[(1, 18795161), (7, 2685023), (11, 1708651), (19, 989219), (29, 648109), (77, 244093), (133, 141317), (203, 92587), (209, 89929), (319, 58919), (443, 42427), (551, 34111), (1463, 12847), (2233, 8417), (3101, 6061), (3857, 4873)]