18786258

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 45246708

約数和(自身を除く): 26460450

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 73, 87, 102, 146, 153, 174, 219, 261, 306, 438, 493, 522, 657, 841, 986, 1241, 1314, 1479, 1682, 2117, 2482, 2523, 2958, 3723, 4234, 4437, 5046, 6351, 7446, 7569, 8874, 11169, 12702, 14297, 15138, 19053, 22338, 28594, 35989, 38106, 42891, 61393, 71978, 85782, 107967, 122786, 128673, 184179, 215934, 257346, 323901, 368358, 552537, 647802, 1043681, 1105074, 2087362, 3131043, 6262086, 9393129, 18786258]

約数ペア:

[(1, 18786258), (2, 9393129), (3, 6262086), (6, 3131043), (9, 2087362), (17, 1105074), (18, 1043681), (29, 647802), (34, 552537), (51, 368358), (58, 323901), (73, 257346), (87, 215934), (102, 184179), (146, 128673), (153, 122786), (174, 107967), (219, 85782), (261, 71978), (306, 61393), (438, 42891), (493, 38106), (522, 35989), (657, 28594), (841, 22338), (986, 19053), (1241, 15138), (1314, 14297), (1479, 12702), (1682, 11169), (2117, 8874), (2482, 7569), (2523, 7446), (2958, 6351), (3723, 5046), (4234, 4437)]