19005410180

素因数分解:

$2^2\times 5^1\times {\mathrm{950270509}}^1$

素因数の和:950270518

約数の個数: 12

約数和(自身を含む): 39911361420

約数和(自身を除く): 20905951240

約数列:

[1, 2, 4, 5, 10, 20, 950270509, 1900541018, 3801082036, 4751352545, 9502705090, 19005410180]

約数ペア:

[(1, 19005410180), (2, 9502705090), (4, 4751352545), (5, 3801082036), (10, 1900541018), (20, 950270509)]