17721984

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 56793600

約数和(自身を除く): 39071616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 304, 336, 347, 384, 399, 448, 456, 532, 608, 672, 694, 798, 896, 912, 1041, 1064, 1216, 1344, 1388, 1596, 1824, 2082, 2128, 2429, 2432, 2688, 2776, 3192, 3648, 4164, 4256, 4858, 5552, 6384, 6593, 7287, 7296, 8328, 8512, 9716, 11104, 12768, 13186, 14574, 16656, 17024, 19432, 19779, 22208, 25536, 26372, 29148, 33312, 38864, 39558, 44416, 46151, 51072, 52744, 58296, 66624, 77728, 79116, 92302, 105488, 116592, 133248, 138453, 155456, 158232, 184604, 210976, 233184, 276906, 310912, 316464, 369208, 421952, 466368, 553812, 632928, 738416, 843904, 932736, 1107624, 1265856, 1476832, 2215248, 2531712, 2953664, 4430496, 5907328, 8860992, 17721984]

約数ペア:

[(1, 17721984), (2, 8860992), (3, 5907328), (4, 4430496), (6, 2953664), (7, 2531712), (8, 2215248), (12, 1476832), (14, 1265856), (16, 1107624), (19, 932736), (21, 843904), (24, 738416), (28, 632928), (32, 553812), (38, 466368), (42, 421952), (48, 369208), (56, 316464), (57, 310912), (64, 276906), (76, 233184), (84, 210976), (96, 184604), (112, 158232), (114, 155456), (128, 138453), (133, 133248), (152, 116592), (168, 105488), (192, 92302), (224, 79116), (228, 77728), (266, 66624), (304, 58296), (336, 52744), (347, 51072), (384, 46151), (399, 44416), (448, 39558), (456, 38864), (532, 33312), (608, 29148), (672, 26372), (694, 25536), (798, 22208), (896, 19779), (912, 19432), (1041, 17024), (1064, 16656), (1216, 14574), (1344, 13186), (1388, 12768), (1596, 11104), (1824, 9716), (2082, 8512), (2128, 8328), (2429, 7296), (2432, 7287), (2688, 6593), (2776, 6384), (3192, 5552), (3648, 4858), (4164, 4256)]