18423207

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 33454080

約数和(自身を除く): 15030873

約数列:

[1, 3, 9, 11, 23, 27, 29, 31, 33, 69, 81, 87, 93, 99, 207, 253, 261, 279, 297, 319, 341, 621, 667, 713, 759, 783, 837, 891, 899, 957, 1023, 1863, 2001, 2139, 2277, 2349, 2511, 2697, 2871, 3069, 6003, 6417, 6831, 7337, 7843, 8091, 8613, 9207, 9889, 18009, 19251, 20493, 20677, 22011, 23529, 24273, 25839, 27621, 29667, 54027, 57753, 62031, 66033, 70587, 72819, 89001, 186093, 198099, 211761, 227447, 267003, 558279, 594297, 635283, 682341, 801009, 1674837, 2047023, 6141069, 18423207]

約数ペア:

[(1, 18423207), (3, 6141069), (9, 2047023), (11, 1674837), (23, 801009), (27, 682341), (29, 635283), (31, 594297), (33, 558279), (69, 267003), (81, 227447), (87, 211761), (93, 198099), (99, 186093), (207, 89001), (253, 72819), (261, 70587), (279, 66033), (297, 62031), (319, 57753), (341, 54027), (621, 29667), (667, 27621), (713, 25839), (759, 24273), (783, 23529), (837, 22011), (891, 20677), (899, 20493), (957, 19251), (1023, 18009), (1863, 9889), (2001, 9207), (2139, 8613), (2277, 8091), (2349, 7843), (2511, 7337), (2697, 6831), (2871, 6417), (3069, 6003)]