18388244

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12391}}^1$

素因数の和:12455

約数の個数: 24

約数和(自身を含む): 37473408

約数和(自身を除く): 19085164

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12391, 24782, 49564, 86737, 173474, 346948, 656723, 1313446, 2626892, 4597061, 9194122, 18388244]

約数ペア:

[(1, 18388244), (2, 9194122), (4, 4597061), (7, 2626892), (14, 1313446), (28, 656723), (53, 346948), (106, 173474), (212, 86737), (371, 49564), (742, 24782), (1484, 12391)]