18754659

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 36427776

約数和(自身を除く): 17673117

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 81, 93, 97, 99, 189, 217, 231, 279, 291, 297, 341, 567, 651, 679, 693, 837, 873, 891, 1023, 1067, 1953, 2037, 2079, 2387, 2511, 2619, 3007, 3069, 3201, 5859, 6111, 6237, 7161, 7469, 7857, 9021, 9207, 9603, 17577, 18333, 21049, 21483, 22407, 27063, 27621, 28809, 33077, 54999, 63147, 64449, 67221, 81189, 86427, 99231, 189441, 193347, 201663, 231539, 243567, 297693, 568323, 604989, 694617, 893079, 1704969, 2083851, 2679237, 6251553, 18754659]

約数ペア:

[(1, 18754659), (3, 6251553), (7, 2679237), (9, 2083851), (11, 1704969), (21, 893079), (27, 694617), (31, 604989), (33, 568323), (63, 297693), (77, 243567), (81, 231539), (93, 201663), (97, 193347), (99, 189441), (189, 99231), (217, 86427), (231, 81189), (279, 67221), (291, 64449), (297, 63147), (341, 54999), (567, 33077), (651, 28809), (679, 27621), (693, 27063), (837, 22407), (873, 21483), (891, 21049), (1023, 18333), (1067, 17577), (1953, 9603), (2037, 9207), (2079, 9021), (2387, 7857), (2511, 7469), (2619, 7161), (3007, 6237), (3069, 6111), (3201, 5859)]