18248643

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6163}}^1$

素因数の和:6223

約数の個数: 24

約数和(自身を含む): 30770688

約数和(自身を除く): 12522045

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6163, 18489, 43141, 55467, 129423, 289661, 388269, 868983, 2027627, 2606949, 6082881, 18248643]

約数ペア:

[(1, 18248643), (3, 6082881), (7, 2606949), (9, 2027627), (21, 868983), (47, 388269), (63, 289661), (141, 129423), (329, 55467), (423, 43141), (987, 18489), (2961, 6163)]