19827580

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2857}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 41772528

約数和(自身を除く): 21944948

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2857, 3470, 5714, 6940, 11428, 14285, 28570, 57140, 991379, 1982758, 3965516, 4956895, 9913790, 19827580]

約数ペア:

[(1, 19827580), (2, 9913790), (4, 4956895), (5, 3965516), (10, 1982758), (20, 991379), (347, 57140), (694, 28570), (1388, 14285), (1735, 11428), (2857, 6940), (3470, 5714)]