19003810180

素因数分解:

$2^2\times 5^1\times {\mathrm{950190509}}^1$

素因数の和:950190518

約数の個数: 12

約数和(自身を含む): 39908001420

約数和(自身を除く): 20904191240

約数列:

[1, 2, 4, 5, 10, 20, 950190509, 1900381018, 3800762036, 4750952545, 9501905090, 19003810180]

約数ペア:

[(1, 19003810180), (2, 9501905090), (4, 4750952545), (5, 3800762036), (10, 1900381018), (20, 950190509)]