19168138496

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 41962502400

約数和(自身を除く): 22794363904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 199, 206, 208, 256, 281, 398, 412, 416, 562, 796, 824, 832, 1124, 1339, 1592, 1648, 1664, 2248, 2587, 2678, 3184, 3296, 3328, 3653, 4496, 5174, 5356, 6368, 6592, 7306, 8992, 10348, 10712, 12736, 13184, 14612, 17984, 20497, 20696, 21424, 25472, 26368, 28943, 29224, 35968, 40994, 41392, 42848, 50944, 55919, 57886, 58448, 71936, 81988, 82784, 85696, 111838, 115772, 116896, 163976, 165568, 171392, 223676, 231544, 233792, 266461, 327952, 331136, 342784, 376259, 447352, 463088, 467584, 532922, 655904, 662272, 726947, 752518, 894704, 926176, 935168, 1065844, 1311808, 1453894, 1505036, 1789408, 1852352, 2131688, 2623616, 2907788, 3010072, 3578816, 3704704, 4263376, 5247232, 5759657, 5815576, 6020144, 7157632, 7409408, 8526752, 11519314, 11631152, 12040288, 14315264, 17053504, 23038628, 23262304, 24080576, 34107008, 46077256, 46524608, 48161152, 68214016, 74875541, 92154512, 93049216, 96322304, 149751082, 184309024, 186098432, 299502164, 368618048, 599004328, 737236096, 1198008656, 1474472192, 2396017312, 4792034624, 9584069248, 19168138496]

約数ペア:

[(1, 19168138496), (2, 9584069248), (4, 4792034624), (8, 2396017312), (13, 1474472192), (16, 1198008656), (26, 737236096), (32, 599004328), (52, 368618048), (64, 299502164), (103, 186098432), (104, 184309024), (128, 149751082), (199, 96322304), (206, 93049216), (208, 92154512), (256, 74875541), (281, 68214016), (398, 48161152), (412, 46524608), (416, 46077256), (562, 34107008), (796, 24080576), (824, 23262304), (832, 23038628), (1124, 17053504), (1339, 14315264), (1592, 12040288), (1648, 11631152), (1664, 11519314), (2248, 8526752), (2587, 7409408), (2678, 7157632), (3184, 6020144), (3296, 5815576), (3328, 5759657), (3653, 5247232), (4496, 4263376), (5174, 3704704), (5356, 3578816), (6368, 3010072), (6592, 2907788), (7306, 2623616), (8992, 2131688), (10348, 1852352), (10712, 1789408), (12736, 1505036), (13184, 1453894), (14612, 1311808), (17984, 1065844), (20497, 935168), (20696, 926176), (21424, 894704), (25472, 752518), (26368, 726947), (28943, 662272), (29224, 655904), (35968, 532922), (40994, 467584), (41392, 463088), (42848, 447352), (50944, 376259), (55919, 342784), (57886, 331136), (58448, 327952), (71936, 266461), (81988, 233792), (82784, 231544), (85696, 223676), (111838, 171392), (115772, 165568), (116896, 163976)]