18782973

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 31584384

約数和(自身を除く): 12801411

約数列:

[1, 3, 9, 11, 23, 33, 69, 73, 99, 113, 207, 219, 253, 339, 657, 759, 803, 1017, 1243, 1679, 2277, 2409, 2599, 3729, 5037, 7227, 7797, 8249, 11187, 15111, 18469, 23391, 24747, 28589, 55407, 74241, 85767, 90739, 166221, 189727, 257301, 272217, 569181, 816651, 1707543, 2086997, 6260991, 18782973]

約数ペア:

[(1, 18782973), (3, 6260991), (9, 2086997), (11, 1707543), (23, 816651), (33, 569181), (69, 272217), (73, 257301), (99, 189727), (113, 166221), (207, 90739), (219, 85767), (253, 74241), (339, 55407), (657, 28589), (759, 24747), (803, 23391), (1017, 18469), (1243, 15111), (1679, 11187), (2277, 8249), (2409, 7797), (2599, 7227), (3729, 5037)]