18574090

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4231}}^1$

素因数の和:4677

約数の個数: 16

約数和(自身を含む): 33517440

約数和(自身を除く): 14943350

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4231, 4390, 8462, 21155, 42310, 1857409, 3714818, 9287045, 18574090]

約数ペア:

[(1, 18574090), (2, 9287045), (5, 3714818), (10, 1857409), (439, 42310), (878, 21155), (2195, 8462), (4231, 4390)]