18054668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 33215952

約数和(自身を除く): 15161284

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 1591, 2837, 3182, 5674, 6364, 11348, 104969, 121991, 209938, 243982, 419876, 487964, 4513667, 9027334, 18054668]

約数ペア:

[(1, 18054668), (2, 9027334), (4, 4513667), (37, 487964), (43, 419876), (74, 243982), (86, 209938), (148, 121991), (172, 104969), (1591, 11348), (2837, 6364), (3182, 5674)]