18967216

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22367}}^1$

素因数の和:22428

約数の個数: 20

約数和(自身を含む): 37444032

約数和(自身を除く): 18476816

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22367, 44734, 89468, 178936, 357872, 1185451, 2370902, 4741804, 9483608, 18967216]

約数ペア:

[(1, 18967216), (2, 9483608), (4, 4741804), (8, 2370902), (16, 1185451), (53, 357872), (106, 178936), (212, 89468), (424, 44734), (848, 22367)]