18756654408

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{21383}}^1$

素因数の和:21560

約数の個数: 128

約数和(自身を含む): 54195609600

約数和(自身を除く): 35438955192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 131, 186, 216, 248, 262, 279, 372, 393, 524, 558, 744, 786, 837, 1048, 1116, 1179, 1572, 1674, 2232, 2358, 3144, 3348, 3537, 4061, 4716, 6696, 7074, 8122, 9432, 12183, 14148, 16244, 21383, 24366, 28296, 32488, 36549, 42766, 48732, 64149, 73098, 85532, 97464, 109647, 128298, 146196, 171064, 192447, 219294, 256596, 292392, 384894, 438588, 513192, 577341, 662873, 769788, 877176, 1154682, 1325746, 1539576, 1988619, 2309364, 2651492, 2801173, 3977238, 4618728, 5302984, 5602346, 5965857, 7954476, 8403519, 11204692, 11931714, 15908952, 16807038, 17897571, 22409384, 23863428, 25210557, 33614076, 35795142, 47726856, 50421114, 67228152, 71590284, 75631671, 86836363, 100842228, 143180568, 151263342, 173672726, 201684456, 260509089, 302526684, 347345452, 521018178, 605053368, 694690904, 781527267, 1042036356, 1563054534, 2084072712, 2344581801, 3126109068, 4689163602, 6252218136, 9378327204, 18756654408]

約数ペア:

[(1, 18756654408), (2, 9378327204), (3, 6252218136), (4, 4689163602), (6, 3126109068), (8, 2344581801), (9, 2084072712), (12, 1563054534), (18, 1042036356), (24, 781527267), (27, 694690904), (31, 605053368), (36, 521018178), (54, 347345452), (62, 302526684), (72, 260509089), (93, 201684456), (108, 173672726), (124, 151263342), (131, 143180568), (186, 100842228), (216, 86836363), (248, 75631671), (262, 71590284), (279, 67228152), (372, 50421114), (393, 47726856), (524, 35795142), (558, 33614076), (744, 25210557), (786, 23863428), (837, 22409384), (1048, 17897571), (1116, 16807038), (1179, 15908952), (1572, 11931714), (1674, 11204692), (2232, 8403519), (2358, 7954476), (3144, 5965857), (3348, 5602346), (3537, 5302984), (4061, 4618728), (4716, 3977238), (6696, 2801173), (7074, 2651492), (8122, 2309364), (9432, 1988619), (12183, 1539576), (14148, 1325746), (16244, 1154682), (21383, 877176), (24366, 769788), (28296, 662873), (32488, 577341), (36549, 513192), (42766, 438588), (48732, 384894), (64149, 292392), (73098, 256596), (85532, 219294), (97464, 192447), (109647, 171064), (128298, 146196)]