17884820

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2857}}^1$

素因数の和:3179

約数の個数: 24

約数和(自身を含む): 37691304

約数和(自身を除く): 19806484

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2857, 3130, 5714, 6260, 11428, 14285, 28570, 57140, 894241, 1788482, 3576964, 4471205, 8942410, 17884820]

約数ペア:

[(1, 17884820), (2, 8942410), (4, 4471205), (5, 3576964), (10, 1788482), (20, 894241), (313, 57140), (626, 28570), (1252, 14285), (1565, 11428), (2857, 6260), (3130, 5714)]