19190260

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2137}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 40408200

約数和(自身を除く): 21217940

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2137, 2245, 4274, 4490, 8548, 8980, 10685, 21370, 42740, 959513, 1919026, 3838052, 4797565, 9595130, 19190260]

約数ペア:

[(1, 19190260), (2, 9595130), (4, 4797565), (5, 3838052), (10, 1919026), (20, 959513), (449, 42740), (898, 21370), (1796, 10685), (2137, 8980), (2245, 8548), (4274, 4490)]