18866376

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 51452700

約数和(自身を除く): 32586324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1669, 1884, 2826, 3338, 3768, 5007, 5652, 6676, 10014, 11304, 13352, 15021, 20028, 30042, 40056, 60084, 120168, 262033, 524066, 786099, 1048132, 1572198, 2096264, 2358297, 3144396, 4716594, 6288792, 9433188, 18866376]

約数ペア:

[(1, 18866376), (2, 9433188), (3, 6288792), (4, 4716594), (6, 3144396), (8, 2358297), (9, 2096264), (12, 1572198), (18, 1048132), (24, 786099), (36, 524066), (72, 262033), (157, 120168), (314, 60084), (471, 40056), (628, 30042), (942, 20028), (1256, 15021), (1413, 13352), (1669, 11304), (1884, 10014), (2826, 6676), (3338, 5652), (3768, 5007)]