18396868

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10771}}^1$

素因数の和:10843

約数の個数: 24

約数和(自身を含む): 37400384

約数和(自身を除く): 19003516

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 10771, 21542, 43084, 75397, 150794, 301588, 657031, 1314062, 2628124, 4599217, 9198434, 18396868]

約数ペア:

[(1, 18396868), (2, 9198434), (4, 4599217), (7, 2628124), (14, 1314062), (28, 657031), (61, 301588), (122, 150794), (244, 75397), (427, 43084), (854, 21542), (1708, 10771)]