18970904

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4153}}^1$

素因数の和:4730

約数の個数: 16

約数和(自身を含む): 35641320

約数和(自身を除く): 16670416

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4153, 4568, 8306, 16612, 33224, 2371363, 4742726, 9485452, 18970904]

約数ペア:

[(1, 18970904), (2, 9485452), (4, 4742726), (8, 2371363), (571, 33224), (1142, 16612), (2284, 8306), (4153, 4568)]