18913849968

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^3\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 240

約数和(自身を含む): 54748891680

約数和(自身を除く): 35835041712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 97, 104, 129, 156, 169, 172, 194, 208, 258, 291, 312, 338, 344, 388, 507, 516, 559, 582, 624, 676, 688, 776, 1014, 1032, 1118, 1164, 1261, 1352, 1552, 1677, 1849, 2028, 2064, 2197, 2236, 2328, 2522, 2704, 3354, 3698, 3783, 4056, 4171, 4394, 4472, 4656, 5044, 5547, 6591, 6708, 7267, 7396, 7566, 8112, 8342, 8788, 8944, 10088, 11094, 12513, 13182, 13416, 14534, 14792, 15132, 16393, 16684, 17576, 20176, 21801, 22188, 24037, 25026, 26364, 26832, 29068, 29584, 30264, 32786, 33368, 35152, 43602, 44376, 48074, 49179, 50052, 52728, 54223, 58136, 60528, 65572, 66736, 72111, 87204, 88752, 94471, 96148, 98358, 100104, 105456, 108446, 116272, 131144, 144222, 162669, 174408, 179353, 188942, 192296, 196716, 200208, 213109, 216892, 262288, 283413, 288444, 312481, 325338, 348816, 358706, 377884, 384592, 393432, 426218, 433784, 538059, 566826, 576888, 624962, 639327, 650676, 704899, 717412, 755768, 786864, 852436, 867568, 937443, 1076118, 1133652, 1153776, 1249924, 1278654, 1301352, 1409798, 1434824, 1511536, 1704872, 1874886, 2114697, 2152236, 2267304, 2331589, 2499848, 2557308, 2602704, 2819596, 2869648, 3409744, 3749772, 4062253, 4229394, 4304472, 4534608, 4663178, 4999696, 5114616, 5639192, 6994767, 7499544, 8124506, 8458788, 8608944, 9163687, 9326356, 10229232, 11278384, 12186759, 13989534, 14999088, 16249012, 16917576, 18327374, 18652712, 24373518, 27491061, 27979068, 30310657, 32498024, 33835152, 36654748, 37305424, 48747036, 54982122, 55958136, 60621314, 64996048, 73309496, 90931971, 97494072, 109964244, 111916272, 121242628, 146618992, 181863942, 194988144, 219928488, 242485256, 363727884, 394038541, 439856976, 484970512, 727455768, 788077082, 1182115623, 1454911536, 1576154164, 2364231246, 3152308328, 4728462492, 6304616656, 9456924984, 18913849968]

約数ペア:

[(1, 18913849968), (2, 9456924984), (3, 6304616656), (4, 4728462492), (6, 3152308328), (8, 2364231246), (12, 1576154164), (13, 1454911536), (16, 1182115623), (24, 788077082), (26, 727455768), (39, 484970512), (43, 439856976), (48, 394038541), (52, 363727884), (78, 242485256), (86, 219928488), (97, 194988144), (104, 181863942), (129, 146618992), (156, 121242628), (169, 111916272), (172, 109964244), (194, 97494072), (208, 90931971), (258, 73309496), (291, 64996048), (312, 60621314), (338, 55958136), (344, 54982122), (388, 48747036), (507, 37305424), (516, 36654748), (559, 33835152), (582, 32498024), (624, 30310657), (676, 27979068), (688, 27491061), (776, 24373518), (1014, 18652712), (1032, 18327374), (1118, 16917576), (1164, 16249012), (1261, 14999088), (1352, 13989534), (1552, 12186759), (1677, 11278384), (1849, 10229232), (2028, 9326356), (2064, 9163687), (2197, 8608944), (2236, 8458788), (2328, 8124506), (2522, 7499544), (2704, 6994767), (3354, 5639192), (3698, 5114616), (3783, 4999696), (4056, 4663178), (4171, 4534608), (4394, 4304472), (4472, 4229394), (4656, 4062253), (5044, 3749772), (5547, 3409744), (6591, 2869648), (6708, 2819596), (7267, 2602704), (7396, 2557308), (7566, 2499848), (8112, 2331589), (8342, 2267304), (8788, 2152236), (8944, 2114697), (10088, 1874886), (11094, 1704872), (12513, 1511536), (13182, 1434824), (13416, 1409798), (14534, 1301352), (14792, 1278654), (15132, 1249924), (16393, 1153776), (16684, 1133652), (17576, 1076118), (20176, 937443), (21801, 867568), (22188, 852436), (24037, 786864), (25026, 755768), (26364, 717412), (26832, 704899), (29068, 650676), (29584, 639327), (30264, 624962), (32786, 576888), (33368, 566826), (35152, 538059), (43602, 433784), (44376, 426218), (48074, 393432), (49179, 384592), (50052, 377884), (52728, 358706), (54223, 348816), (58136, 325338), (60528, 312481), (65572, 288444), (66736, 283413), (72111, 262288), (87204, 216892), (88752, 213109), (94471, 200208), (96148, 196716), (98358, 192296), (100104, 188942), (105456, 179353), (108446, 174408), (116272, 162669), (131144, 144222)]