1909540

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 4036032

約数和(自身を除く): 2126492

約数列:

[1, 2, 4, 5, 10, 20, 307, 311, 614, 622, 1228, 1244, 1535, 1555, 3070, 3110, 6140, 6220, 95477, 190954, 381908, 477385, 954770, 1909540]

約数ペア:

[(1, 1909540), (2, 954770), (4, 477385), (5, 381908), (10, 190954), (20, 95477), (307, 6220), (311, 6140), (614, 3110), (622, 3070), (1228, 1555), (1244, 1535)]