18071740

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1367}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 38035872

約数和(自身を除く): 19964132

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1367, 2644, 2734, 3305, 5468, 6610, 6835, 13220, 13670, 27340, 903587, 1807174, 3614348, 4517935, 9035870, 18071740]

約数ペア:

[(1, 18071740), (2, 9035870), (4, 4517935), (5, 3614348), (10, 1807174), (20, 903587), (661, 27340), (1322, 13670), (1367, 13220), (2644, 6835), (2734, 6610), (3305, 5468)]