18542043

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 30510480

約数和(自身を除く): 11968437

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 439, 741, 1083, 1317, 2223, 3249, 3951, 4693, 5707, 8341, 14079, 17121, 25023, 42237, 51363, 75069, 108433, 158479, 325299, 475437, 975897, 1426311, 2060227, 6180681, 18542043]

約数ペア:

[(1, 18542043), (3, 6180681), (9, 2060227), (13, 1426311), (19, 975897), (39, 475437), (57, 325299), (117, 158479), (171, 108433), (247, 75069), (361, 51363), (439, 42237), (741, 25023), (1083, 17121), (1317, 14079), (2223, 8341), (3249, 5707), (3951, 4693)]