19637732

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{27427}}^1$

素因数の和:27610

約数の個数: 12

約数和(自身を含む): 34559280

約数和(自身を除く): 14921548

約数列:

[1, 2, 4, 179, 358, 716, 27427, 54854, 109708, 4909433, 9818866, 19637732]

約数ペア:

[(1, 19637732), (2, 9818866), (4, 4909433), (179, 109708), (358, 54854), (716, 27427)]