18637776

素因数分解:

$2^4\times 3^4\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 100

約数和(自身を含む): 54959652

約数和(自身を除く): 36321876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 81, 108, 144, 146, 162, 197, 216, 219, 292, 324, 394, 432, 438, 584, 591, 648, 657, 788, 876, 1168, 1182, 1296, 1314, 1576, 1752, 1773, 1971, 2364, 2628, 3152, 3504, 3546, 3942, 4728, 5256, 5319, 5913, 7092, 7884, 9456, 10512, 10638, 11826, 14184, 14381, 15768, 15957, 21276, 23652, 28368, 28762, 31536, 31914, 42552, 43143, 47304, 57524, 63828, 85104, 86286, 94608, 115048, 127656, 129429, 172572, 230096, 255312, 258858, 345144, 388287, 517716, 690288, 776574, 1035432, 1164861, 1553148, 2070864, 2329722, 3106296, 4659444, 6212592, 9318888, 18637776]

約数ペア:

[(1, 18637776), (2, 9318888), (3, 6212592), (4, 4659444), (6, 3106296), (8, 2329722), (9, 2070864), (12, 1553148), (16, 1164861), (18, 1035432), (24, 776574), (27, 690288), (36, 517716), (48, 388287), (54, 345144), (72, 258858), (73, 255312), (81, 230096), (108, 172572), (144, 129429), (146, 127656), (162, 115048), (197, 94608), (216, 86286), (219, 85104), (292, 63828), (324, 57524), (394, 47304), (432, 43143), (438, 42552), (584, 31914), (591, 31536), (648, 28762), (657, 28368), (788, 23652), (876, 21276), (1168, 15957), (1182, 15768), (1296, 14381), (1314, 14184), (1576, 11826), (1752, 10638), (1773, 10512), (1971, 9456), (2364, 7884), (2628, 7092), (3152, 5913), (3504, 5319), (3546, 5256), (3942, 4728)]