19978293504

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{4517}}^1$

素因数の和:4992

約数の個数: 144

約数和(自身を含む): 57403467072

約数和(自身を除く): 37425173568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 443, 624, 768, 832, 886, 1248, 1329, 1664, 1772, 2496, 2658, 3328, 3544, 4517, 4992, 5316, 5759, 7088, 9034, 9984, 10632, 11518, 13551, 14176, 17277, 18068, 21264, 23036, 27102, 28352, 34554, 36136, 42528, 46072, 54204, 56704, 58721, 69108, 72272, 85056, 92144, 108408, 113408, 117442, 138216, 144544, 170112, 176163, 184288, 216816, 234884, 276432, 289088, 340224, 352326, 368576, 433632, 469768, 552864, 578176, 704652, 737152, 867264, 939536, 1105728, 1156352, 1409304, 1474304, 1734528, 1879072, 2001031, 2211456, 2818608, 3469056, 3758144, 4002062, 4422912, 5637216, 6003093, 7516288, 8004124, 11274432, 12006186, 15032576, 16008248, 22548864, 24012372, 26013403, 32016496, 45097728, 48024744, 52026806, 64032992, 78040209, 96049488, 104053612, 128065984, 156080418, 192098976, 208107224, 256131968, 312160836, 384197952, 416214448, 512263936, 624321672, 768395904, 832428896, 1248643344, 1536791808, 1664857792, 2497286688, 3329715584, 4994573376, 6659431168, 9989146752, 19978293504]

約数ペア:

[(1, 19978293504), (2, 9989146752), (3, 6659431168), (4, 4994573376), (6, 3329715584), (8, 2497286688), (12, 1664857792), (13, 1536791808), (16, 1248643344), (24, 832428896), (26, 768395904), (32, 624321672), (39, 512263936), (48, 416214448), (52, 384197952), (64, 312160836), (78, 256131968), (96, 208107224), (104, 192098976), (128, 156080418), (156, 128065984), (192, 104053612), (208, 96049488), (256, 78040209), (312, 64032992), (384, 52026806), (416, 48024744), (443, 45097728), (624, 32016496), (768, 26013403), (832, 24012372), (886, 22548864), (1248, 16008248), (1329, 15032576), (1664, 12006186), (1772, 11274432), (2496, 8004124), (2658, 7516288), (3328, 6003093), (3544, 5637216), (4517, 4422912), (4992, 4002062), (5316, 3758144), (5759, 3469056), (7088, 2818608), (9034, 2211456), (9984, 2001031), (10632, 1879072), (11518, 1734528), (13551, 1474304), (14176, 1409304), (17277, 1156352), (18068, 1105728), (21264, 939536), (23036, 867264), (27102, 737152), (28352, 704652), (34554, 578176), (36136, 552864), (42528, 469768), (46072, 433632), (54204, 368576), (56704, 352326), (58721, 340224), (69108, 289088), (72272, 276432), (85056, 234884), (92144, 216816), (108408, 184288), (113408, 176163), (117442, 170112), (138216, 144544)]