18776637

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 30597120

約数和(自身を除く): 11820483

約数列:

[1, 3, 9, 11, 27, 33, 99, 191, 297, 331, 573, 993, 1719, 2101, 2979, 3641, 5157, 6303, 8937, 10923, 18909, 32769, 56727, 63221, 98307, 189663, 568989, 695431, 1706967, 2086293, 6258879, 18776637]

約数ペア:

[(1, 18776637), (3, 6258879), (9, 2086293), (11, 1706967), (27, 695431), (33, 568989), (99, 189663), (191, 98307), (297, 63221), (331, 56727), (573, 32769), (993, 18909), (1719, 10923), (2101, 8937), (2979, 6303), (3641, 5157)]