19787121984

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{123719}}^1$

素因数の和:123765

約数の個数: 168

約数和(自身を含む): 64483853760

約数和(自身を除く): 44696731776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 64, 68, 84, 96, 98, 102, 112, 119, 136, 147, 168, 192, 196, 204, 224, 238, 272, 294, 336, 357, 392, 408, 448, 476, 544, 588, 672, 714, 784, 816, 833, 952, 1088, 1176, 1344, 1428, 1568, 1632, 1666, 1904, 2352, 2499, 2856, 3136, 3264, 3332, 3808, 4704, 4998, 5712, 6664, 7616, 9408, 9996, 11424, 13328, 19992, 22848, 26656, 39984, 53312, 79968, 123719, 159936, 247438, 371157, 494876, 742314, 866033, 989752, 1484628, 1732066, 1979504, 2103223, 2598099, 2969256, 3464132, 3959008, 4206446, 5196198, 5938512, 6062231, 6309669, 6928264, 7918016, 8412892, 10392396, 11877024, 12124462, 12619338, 13856528, 14722561, 16825784, 18186693, 20784792, 23754048, 24248924, 25238676, 27713056, 29445122, 33651568, 36373386, 41569584, 44167683, 48497848, 50477352, 55426112, 58890244, 67303136, 72746772, 83139168, 88335366, 96995696, 100954704, 103057927, 117780488, 134606272, 145493544, 166278336, 176670732, 193991392, 201909408, 206115854, 235560976, 290987088, 309173781, 353341464, 387982784, 403818816, 412231708, 471121952, 581974176, 618347562, 706682928, 824463416, 942243904, 1163948352, 1236695124, 1413365856, 1648926832, 2473390248, 2826731712, 3297853664, 4946780496, 6595707328, 9893560992, 19787121984]

約数ペア:

[(1, 19787121984), (2, 9893560992), (3, 6595707328), (4, 4946780496), (6, 3297853664), (7, 2826731712), (8, 2473390248), (12, 1648926832), (14, 1413365856), (16, 1236695124), (17, 1163948352), (21, 942243904), (24, 824463416), (28, 706682928), (32, 618347562), (34, 581974176), (42, 471121952), (48, 412231708), (49, 403818816), (51, 387982784), (56, 353341464), (64, 309173781), (68, 290987088), (84, 235560976), (96, 206115854), (98, 201909408), (102, 193991392), (112, 176670732), (119, 166278336), (136, 145493544), (147, 134606272), (168, 117780488), (192, 103057927), (196, 100954704), (204, 96995696), (224, 88335366), (238, 83139168), (272, 72746772), (294, 67303136), (336, 58890244), (357, 55426112), (392, 50477352), (408, 48497848), (448, 44167683), (476, 41569584), (544, 36373386), (588, 33651568), (672, 29445122), (714, 27713056), (784, 25238676), (816, 24248924), (833, 23754048), (952, 20784792), (1088, 18186693), (1176, 16825784), (1344, 14722561), (1428, 13856528), (1568, 12619338), (1632, 12124462), (1666, 11877024), (1904, 10392396), (2352, 8412892), (2499, 7918016), (2856, 6928264), (3136, 6309669), (3264, 6062231), (3332, 5938512), (3808, 5196198), (4704, 4206446), (4998, 3959008), (5712, 3464132), (6664, 2969256), (7616, 2598099), (9408, 2103223), (9996, 1979504), (11424, 1732066), (13328, 1484628), (19992, 989752), (22848, 866033), (26656, 742314), (39984, 494876), (53312, 371157), (79968, 247438), (123719, 159936)]