18638116

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6221}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 37630656

約数和(自身を除く): 18992540

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6221, 12442, 24884, 43547, 87094, 174188, 665647, 1331294, 2662588, 4659529, 9319058, 18638116]

約数ペア:

[(1, 18638116), (2, 9319058), (4, 4659529), (7, 2662588), (14, 1331294), (28, 665647), (107, 174188), (214, 87094), (428, 43547), (749, 24884), (1498, 12442), (2996, 6221)]