18487040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 52538976

約数和(自身を除く): 34051936

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 101, 104, 110, 128, 130, 143, 160, 176, 202, 208, 220, 256, 260, 286, 320, 352, 404, 416, 440, 505, 520, 572, 640, 704, 715, 808, 832, 880, 1010, 1040, 1111, 1144, 1280, 1313, 1408, 1430, 1616, 1664, 1760, 2020, 2080, 2222, 2288, 2626, 2816, 2860, 3232, 3328, 3520, 4040, 4160, 4444, 4576, 5252, 5555, 5720, 6464, 6565, 7040, 8080, 8320, 8888, 9152, 10504, 11110, 11440, 12928, 13130, 14080, 14443, 16160, 16640, 17776, 18304, 21008, 22220, 22880, 25856, 26260, 28886, 32320, 35552, 36608, 42016, 44440, 45760, 52520, 57772, 64640, 71104, 72215, 84032, 88880, 91520, 105040, 115544, 129280, 142208, 144430, 168064, 177760, 183040, 210080, 231088, 284416, 288860, 336128, 355520, 420160, 462176, 577720, 711040, 840320, 924352, 1155440, 1422080, 1680640, 1848704, 2310880, 3697408, 4621760, 9243520, 18487040]

約数ペア:

[(1, 18487040), (2, 9243520), (4, 4621760), (5, 3697408), (8, 2310880), (10, 1848704), (11, 1680640), (13, 1422080), (16, 1155440), (20, 924352), (22, 840320), (26, 711040), (32, 577720), (40, 462176), (44, 420160), (52, 355520), (55, 336128), (64, 288860), (65, 284416), (80, 231088), (88, 210080), (101, 183040), (104, 177760), (110, 168064), (128, 144430), (130, 142208), (143, 129280), (160, 115544), (176, 105040), (202, 91520), (208, 88880), (220, 84032), (256, 72215), (260, 71104), (286, 64640), (320, 57772), (352, 52520), (404, 45760), (416, 44440), (440, 42016), (505, 36608), (520, 35552), (572, 32320), (640, 28886), (704, 26260), (715, 25856), (808, 22880), (832, 22220), (880, 21008), (1010, 18304), (1040, 17776), (1111, 16640), (1144, 16160), (1280, 14443), (1313, 14080), (1408, 13130), (1430, 12928), (1616, 11440), (1664, 11110), (1760, 10504), (2020, 9152), (2080, 8888), (2222, 8320), (2288, 8080), (2626, 7040), (2816, 6565), (2860, 6464), (3232, 5720), (3328, 5555), (3520, 5252), (4040, 4576), (4160, 4444)]