18943310

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4219}}^1$

素因数の和:4675

約数の個数: 16

約数和(自身を含む): 34182000

約数和(自身を除く): 15238690

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4219, 4490, 8438, 21095, 42190, 1894331, 3788662, 9471655, 18943310]

約数ペア:

[(1, 18943310), (2, 9471655), (5, 3788662), (10, 1894331), (449, 42190), (898, 21095), (2245, 8438), (4219, 4490)]