18752867

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 23298912

約数和(自身を除く): 4546045

約数列:

[1, 7, 19, 41, 133, 181, 287, 361, 779, 1267, 2527, 3439, 5453, 7421, 14801, 24073, 51947, 65341, 103607, 140999, 457387, 986993, 2678981, 18752867]

約数ペア:

[(1, 18752867), (7, 2678981), (19, 986993), (41, 457387), (133, 140999), (181, 103607), (287, 65341), (361, 51947), (779, 24073), (1267, 14801), (2527, 7421), (3439, 5453)]