18998072

素因数分解:

$2^3\times {\mathrm{1103}}^1\times {\mathrm{2153}}^1$

素因数の和:3262

約数の個数: 16

約数和(自身を含む): 35670240

約数和(自身を除く): 16672168

約数列:

[1, 2, 4, 8, 1103, 2153, 2206, 4306, 4412, 8612, 8824, 17224, 2374759, 4749518, 9499036, 18998072]

約数ペア:

[(1, 18998072), (2, 9499036), (4, 4749518), (8, 2374759), (1103, 17224), (2153, 8824), (2206, 8612), (4306, 4412)]