17967564820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{127123}}^1$

素因数の和:127360

約数の個数: 48

約数和(自身を含む): 38954861568

約数和(自身を除く): 20987296748

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 740, 764, 955, 1910, 3820, 7067, 14134, 28268, 35335, 70670, 127123, 141340, 254246, 508492, 635615, 1271230, 2542460, 4703551, 9407102, 18814204, 23517755, 24280493, 47035510, 48560986, 94071020, 97121972, 121402465, 242804930, 485609860, 898378241, 1796756482, 3593512964, 4491891205, 8983782410, 17967564820]

約数ペア:

[(1, 17967564820), (2, 8983782410), (4, 4491891205), (5, 3593512964), (10, 1796756482), (20, 898378241), (37, 485609860), (74, 242804930), (148, 121402465), (185, 97121972), (191, 94071020), (370, 48560986), (382, 47035510), (740, 24280493), (764, 23517755), (955, 18814204), (1910, 9407102), (3820, 4703551), (7067, 2542460), (14134, 1271230), (28268, 635615), (35335, 508492), (70670, 254246), (127123, 141340)]