18885027

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 29704192

約数和(自身を除く): 10819165

約数列:

[1, 3, 7, 21, 73, 97, 127, 219, 291, 381, 511, 679, 889, 1533, 2037, 2667, 7081, 9271, 12319, 21243, 27813, 36957, 49567, 64897, 86233, 148701, 194691, 258699, 899287, 2697861, 6295009, 18885027]

約数ペア:

[(1, 18885027), (3, 6295009), (7, 2697861), (21, 899287), (73, 258699), (97, 194691), (127, 148701), (219, 86233), (291, 64897), (381, 49567), (511, 36957), (679, 27813), (889, 21243), (1533, 12319), (2037, 9271), (2667, 7081)]