18971136

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 120

約数和(自身を含む): 57451680

約数和(自身を除く): 38480544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 179, 184, 192, 207, 256, 276, 288, 358, 368, 384, 414, 512, 537, 552, 576, 716, 736, 768, 828, 1074, 1104, 1152, 1432, 1472, 1536, 1611, 1656, 2148, 2208, 2304, 2864, 2944, 3222, 3312, 4117, 4296, 4416, 4608, 5728, 5888, 6444, 6624, 8234, 8592, 8832, 11456, 11776, 12351, 12888, 13248, 16468, 17184, 17664, 22912, 24702, 25776, 26496, 32936, 34368, 35328, 37053, 45824, 49404, 51552, 52992, 65872, 68736, 74106, 91648, 98808, 103104, 105984, 131744, 137472, 148212, 197616, 206208, 263488, 274944, 296424, 395232, 412416, 526976, 592848, 790464, 824832, 1053952, 1185696, 1580928, 2107904, 2371392, 3161856, 4742784, 6323712, 9485568, 18971136]

約数ペア:

[(1, 18971136), (2, 9485568), (3, 6323712), (4, 4742784), (6, 3161856), (8, 2371392), (9, 2107904), (12, 1580928), (16, 1185696), (18, 1053952), (23, 824832), (24, 790464), (32, 592848), (36, 526976), (46, 412416), (48, 395232), (64, 296424), (69, 274944), (72, 263488), (92, 206208), (96, 197616), (128, 148212), (138, 137472), (144, 131744), (179, 105984), (184, 103104), (192, 98808), (207, 91648), (256, 74106), (276, 68736), (288, 65872), (358, 52992), (368, 51552), (384, 49404), (414, 45824), (512, 37053), (537, 35328), (552, 34368), (576, 32936), (716, 26496), (736, 25776), (768, 24702), (828, 22912), (1074, 17664), (1104, 17184), (1152, 16468), (1432, 13248), (1472, 12888), (1536, 12351), (1611, 11776), (1656, 11456), (2148, 8832), (2208, 8592), (2304, 8234), (2864, 6624), (2944, 6444), (3222, 5888), (3312, 5728), (4117, 4608), (4296, 4416)]