18545156721

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22643659}}^1$

素因数の和:22643685

約数の個数: 24

約数和(自身を含む): 32969168960

約数和(自身を除く): 14424012239

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22643659, 67930977, 158505613, 203792931, 294367567, 475516839, 883102701, 1426550517, 2060572969, 2649308103, 6181718907, 18545156721]

約数ペア:

[(1, 18545156721), (3, 6181718907), (7, 2649308103), (9, 2060572969), (13, 1426550517), (21, 883102701), (39, 475516839), (63, 294367567), (91, 203792931), (117, 158505613), (273, 67930977), (819, 22643659)]