18614781

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 28225080

約数和(自身を除く): 9610299

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 977, 2117, 2931, 6351, 8793, 19053, 28333, 71321, 84999, 213963, 254997, 641889, 2068309, 6204927, 18614781]

約数ペア:

[(1, 18614781), (3, 6204927), (9, 2068309), (29, 641889), (73, 254997), (87, 213963), (219, 84999), (261, 71321), (657, 28333), (977, 19053), (2117, 8793), (2931, 6351)]