19886583

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2617}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 28274400

約数和(自身を除く): 8387817

約数列:

[1, 3, 17, 51, 149, 447, 2533, 2617, 7599, 7851, 44489, 133467, 389933, 1169799, 6628861, 19886583]

約数ペア:

[(1, 19886583), (3, 6628861), (17, 1169799), (51, 389933), (149, 133467), (447, 44489), (2533, 7851), (2617, 7599)]