18181828

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5113}}^1$

素因数の和:5251

約数の個数: 24

約数和(自身を含む): 36657152

約数和(自身を除く): 18475324

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5113, 10226, 20452, 35791, 71582, 143164, 649351, 1298702, 2597404, 4545457, 9090914, 18181828]

約数ペア:

[(1, 18181828), (2, 9090914), (4, 4545457), (7, 2597404), (14, 1298702), (28, 649351), (127, 143164), (254, 71582), (508, 35791), (889, 20452), (1778, 10226), (3556, 5113)]