18129258

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{73}}^2$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 47200608

約数和(自身を除く): 29071350

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 81, 126, 146, 162, 189, 219, 243, 378, 438, 486, 511, 567, 657, 1022, 1134, 1314, 1533, 1701, 1971, 3066, 3402, 3942, 4599, 5329, 5913, 9198, 10658, 11826, 13797, 15987, 17739, 27594, 31974, 35478, 37303, 41391, 47961, 74606, 82782, 95922, 111909, 124173, 143883, 223818, 248346, 287766, 335727, 431649, 671454, 863298, 1007181, 1294947, 2014362, 2589894, 3021543, 6043086, 9064629, 18129258]

約数ペア:

[(1, 18129258), (2, 9064629), (3, 6043086), (6, 3021543), (7, 2589894), (9, 2014362), (14, 1294947), (18, 1007181), (21, 863298), (27, 671454), (42, 431649), (54, 335727), (63, 287766), (73, 248346), (81, 223818), (126, 143883), (146, 124173), (162, 111909), (189, 95922), (219, 82782), (243, 74606), (378, 47961), (438, 41391), (486, 37303), (511, 35478), (567, 31974), (657, 27594), (1022, 17739), (1134, 15987), (1314, 13797), (1533, 11826), (1701, 10658), (1971, 9198), (3066, 5913), (3402, 5329), (3942, 4599)]