18426368

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 40879080

約数和(自身を除く): 22452712

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 73, 116, 128, 136, 146, 232, 256, 272, 292, 464, 493, 512, 544, 584, 928, 986, 1088, 1168, 1241, 1856, 1972, 2117, 2176, 2336, 2482, 3712, 3944, 4234, 4352, 4672, 4964, 7424, 7888, 8468, 8704, 9344, 9928, 14848, 15776, 16936, 18688, 19856, 31552, 33872, 35989, 37376, 39712, 63104, 67744, 71978, 79424, 126208, 135488, 143956, 158848, 252416, 270976, 287912, 317696, 541952, 575824, 635392, 1083904, 1151648, 2303296, 4606592, 9213184, 18426368]

約数ペア:

[(1, 18426368), (2, 9213184), (4, 4606592), (8, 2303296), (16, 1151648), (17, 1083904), (29, 635392), (32, 575824), (34, 541952), (58, 317696), (64, 287912), (68, 270976), (73, 252416), (116, 158848), (128, 143956), (136, 135488), (146, 126208), (232, 79424), (256, 71978), (272, 67744), (292, 63104), (464, 39712), (493, 37376), (512, 35989), (544, 33872), (584, 31552), (928, 19856), (986, 18688), (1088, 16936), (1168, 15776), (1241, 14848), (1856, 9928), (1972, 9344), (2117, 8704), (2176, 8468), (2336, 7888), (2482, 7424), (3712, 4964), (3944, 4672), (4234, 4352)]