18400041

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 30422304

約数和(自身を除く): 12022263

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 107, 193, 297, 321, 579, 891, 963, 1177, 1737, 2123, 2889, 3531, 5211, 6369, 8667, 10593, 15633, 19107, 20651, 31779, 57321, 61953, 95337, 171963, 185859, 227161, 557577, 681483, 1672731, 2044449, 6133347, 18400041]

約数ペア:

[(1, 18400041), (3, 6133347), (9, 2044449), (11, 1672731), (27, 681483), (33, 557577), (81, 227161), (99, 185859), (107, 171963), (193, 95337), (297, 61953), (321, 57321), (579, 31779), (891, 20651), (963, 19107), (1177, 15633), (1737, 10593), (2123, 8667), (2889, 6369), (3531, 5211)]