19967985856

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5821}}^1$

素因数の和:5903

約数の個数: 224

約数和(自身を含む): 52999761920

約数和(自身を除く): 33031776064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 52, 56, 62, 64, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 224, 247, 248, 266, 304, 364, 403, 416, 434, 448, 494, 496, 532, 589, 608, 728, 806, 832, 868, 988, 992, 1064, 1178, 1216, 1456, 1612, 1729, 1736, 1976, 1984, 2128, 2356, 2821, 2912, 3224, 3458, 3472, 3952, 4123, 4256, 4712, 5642, 5821, 5824, 6448, 6916, 6944, 7657, 7904, 8246, 8512, 9424, 11284, 11642, 12896, 13832, 13888, 15314, 15808, 16492, 18848, 22568, 23284, 25792, 27664, 30628, 32984, 37696, 40747, 45136, 46568, 53599, 55328, 61256, 65968, 75673, 81494, 90272, 93136, 107198, 110599, 110656, 122512, 131936, 151346, 162988, 180451, 180544, 186272, 214396, 221198, 245024, 263872, 302692, 325976, 360902, 372544, 428792, 442396, 490048, 529711, 605384, 651952, 721804, 774193, 857584, 884792, 1059422, 1210768, 1263157, 1303904, 1437787, 1443608, 1548386, 1715168, 1769584, 2118844, 2345863, 2421536, 2526314, 2607808, 2875574, 2887216, 3096772, 3428569, 3430336, 3539168, 4237688, 4691726, 4843072, 5052628, 5751148, 5774432, 6193544, 6857138, 7078336, 8475376, 9383452, 10064509, 10105256, 11502296, 11548864, 12387088, 13714276, 16421041, 16950752, 18766904, 20129018, 20210512, 23004592, 23999983, 24774176, 27428552, 32842082, 33901504, 37533808, 40258036, 40421024, 44571397, 46009184, 47999966, 49548352, 54857104, 65684164, 75067616, 80516072, 80842048, 89142794, 92018368, 95999932, 109714208, 131368328, 150135232, 161032144, 178285588, 191999864, 219428416, 262736656, 311999779, 322064288, 356571176, 383999728, 525473312, 623999558, 644128576, 713142352, 767999456, 1050946624, 1247999116, 1426284704, 1535998912, 2495998232, 2852569408, 4991996464, 9983992928, 19967985856]

約数ペア:

[(1, 19967985856), (2, 9983992928), (4, 4991996464), (7, 2852569408), (8, 2495998232), (13, 1535998912), (14, 1426284704), (16, 1247999116), (19, 1050946624), (26, 767999456), (28, 713142352), (31, 644128576), (32, 623999558), (38, 525473312), (52, 383999728), (56, 356571176), (62, 322064288), (64, 311999779), (76, 262736656), (91, 219428416), (104, 191999864), (112, 178285588), (124, 161032144), (133, 150135232), (152, 131368328), (182, 109714208), (208, 95999932), (217, 92018368), (224, 89142794), (247, 80842048), (248, 80516072), (266, 75067616), (304, 65684164), (364, 54857104), (403, 49548352), (416, 47999966), (434, 46009184), (448, 44571397), (494, 40421024), (496, 40258036), (532, 37533808), (589, 33901504), (608, 32842082), (728, 27428552), (806, 24774176), (832, 23999983), (868, 23004592), (988, 20210512), (992, 20129018), (1064, 18766904), (1178, 16950752), (1216, 16421041), (1456, 13714276), (1612, 12387088), (1729, 11548864), (1736, 11502296), (1976, 10105256), (1984, 10064509), (2128, 9383452), (2356, 8475376), (2821, 7078336), (2912, 6857138), (3224, 6193544), (3458, 5774432), (3472, 5751148), (3952, 5052628), (4123, 4843072), (4256, 4691726), (4712, 4237688), (5642, 3539168), (5821, 3430336), (5824, 3428569), (6448, 3096772), (6916, 2887216), (6944, 2875574), (7657, 2607808), (7904, 2526314), (8246, 2421536), (8512, 2345863), (9424, 2118844), (11284, 1769584), (11642, 1715168), (12896, 1548386), (13832, 1443608), (13888, 1437787), (15314, 1303904), (15808, 1263157), (16492, 1210768), (18848, 1059422), (22568, 884792), (23284, 857584), (25792, 774193), (27664, 721804), (30628, 651952), (32984, 605384), (37696, 529711), (40747, 490048), (45136, 442396), (46568, 428792), (53599, 372544), (55328, 360902), (61256, 325976), (65968, 302692), (75673, 263872), (81494, 245024), (90272, 221198), (93136, 214396), (107198, 186272), (110599, 180544), (110656, 180451), (122512, 162988), (131936, 151346)]