19003220

素因数分解:

$2^2\times 5^1\times {\mathrm{950161}}^1$

素因数の和:950170

約数の個数: 12

約数和(自身を含む): 39906804

約数和(自身を除く): 20903584

約数列:

[1, 2, 4, 5, 10, 20, 950161, 1900322, 3800644, 4750805, 9501610, 19003220]

約数ペア:

[(1, 19003220), (2, 9501610), (4, 4750805), (5, 3800644), (10, 1900322), (20, 950161)]