18323784

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 49973820

約数和(自身を除く): 31650036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1621, 1884, 2826, 3242, 3768, 4863, 5652, 6484, 9726, 11304, 12968, 14589, 19452, 29178, 38904, 58356, 116712, 254497, 508994, 763491, 1017988, 1526982, 2035976, 2290473, 3053964, 4580946, 6107928, 9161892, 18323784]

約数ペア:

[(1, 18323784), (2, 9161892), (3, 6107928), (4, 4580946), (6, 3053964), (8, 2290473), (9, 2035976), (12, 1526982), (18, 1017988), (24, 763491), (36, 508994), (72, 254497), (157, 116712), (314, 58356), (471, 38904), (628, 29178), (942, 19452), (1256, 14589), (1413, 12968), (1621, 11304), (1884, 9726), (2826, 6484), (3242, 5652), (3768, 4863)]