18458416

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21767}}^1$

素因数の和:21828

約数の個数: 20

約数和(自身を含む): 36439632

約数和(自身を除く): 17981216

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21767, 43534, 87068, 174136, 348272, 1153651, 2307302, 4614604, 9229208, 18458416]

約数ペア:

[(1, 18458416), (2, 9229208), (4, 4614604), (8, 2307302), (16, 1153651), (53, 348272), (106, 174136), (212, 87068), (424, 43534), (848, 21767)]