18777768191

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1551497}}^1$

素因数の和:1551543

約数の個数: 24

約数和(自身を含む): 24761908080

約数和(自身を除く): 5984139889

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 12103, 1551497, 10860479, 20169461, 29478443, 76023353, 141186227, 206349101, 383219759, 988303589, 1444443707, 2682538313, 18777768191]

約数ペア:

[(1, 18777768191), (7, 2682538313), (13, 1444443707), (19, 988303589), (49, 383219759), (91, 206349101), (133, 141186227), (247, 76023353), (637, 29478443), (931, 20169461), (1729, 10860479), (12103, 1551497)]