18474876784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{35149}}^1$

素因数の和:35215

約数の個数: 120

約数和(自身を含む): 46497544800

約数和(自身を除く): 28022668016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 361, 364, 494, 532, 722, 728, 988, 1064, 1444, 1456, 1729, 1976, 2128, 2527, 2888, 3458, 3952, 4693, 5054, 5776, 6916, 9386, 10108, 13832, 18772, 20216, 27664, 32851, 35149, 37544, 40432, 65702, 70298, 75088, 131404, 140596, 246043, 262808, 281192, 456937, 492086, 525616, 562384, 667831, 913874, 984172, 1335662, 1827748, 1968344, 2671324, 3198559, 3655496, 3936688, 4674817, 5342648, 6397118, 7310992, 8681803, 9349634, 10685296, 12688789, 12794236, 17363606, 18699268, 25377578, 25588472, 34727212, 37398536, 50755156, 51176944, 60772621, 69454424, 74797072, 88821523, 101510312, 121545242, 138908848, 164954257, 177643046, 203020624, 243090484, 329908514, 355286092, 486180968, 659817028, 710572184, 972361936, 1154679799, 1319634056, 1421144368, 2309359598, 2639268112, 4618719196, 9237438392, 18474876784]

約数ペア:

[(1, 18474876784), (2, 9237438392), (4, 4618719196), (7, 2639268112), (8, 2309359598), (13, 1421144368), (14, 1319634056), (16, 1154679799), (19, 972361936), (26, 710572184), (28, 659817028), (38, 486180968), (52, 355286092), (56, 329908514), (76, 243090484), (91, 203020624), (104, 177643046), (112, 164954257), (133, 138908848), (152, 121545242), (182, 101510312), (208, 88821523), (247, 74797072), (266, 69454424), (304, 60772621), (361, 51176944), (364, 50755156), (494, 37398536), (532, 34727212), (722, 25588472), (728, 25377578), (988, 18699268), (1064, 17363606), (1444, 12794236), (1456, 12688789), (1729, 10685296), (1976, 9349634), (2128, 8681803), (2527, 7310992), (2888, 6397118), (3458, 5342648), (3952, 4674817), (4693, 3936688), (5054, 3655496), (5776, 3198559), (6916, 2671324), (9386, 1968344), (10108, 1827748), (13832, 1335662), (18772, 984172), (20216, 913874), (27664, 667831), (32851, 562384), (35149, 525616), (37544, 492086), (40432, 456937), (65702, 281192), (70298, 262808), (75088, 246043), (131404, 140596)]