18883106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19961}}^1$

素因数の和:20017

約数の個数: 16

約数和(自身を含む): 31619808

約数和(自身を除く): 12736702

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19961, 39922, 219571, 439142, 858323, 1716646, 9441553, 18883106]

約数ペア:

[(1, 18883106), (2, 9441553), (11, 1716646), (22, 858323), (43, 439142), (86, 219571), (473, 39922), (946, 19961)]