18286037

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 6597163

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 431, 551, 1463, 2233, 3017, 3857, 4741, 6061, 8189, 12499, 33187, 42427, 57323, 87493, 90079, 137489, 237481, 630553, 962423, 1662367, 2612291, 18286037]

約数ペア:

[(1, 18286037), (7, 2612291), (11, 1662367), (19, 962423), (29, 630553), (77, 237481), (133, 137489), (203, 90079), (209, 87493), (319, 57323), (431, 42427), (551, 33187), (1463, 12499), (2233, 8189), (3017, 6061), (3857, 4741)]