18910493770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270149911}}^1$

素因数の和:270149925

約数の個数: 16

約数和(自身を含む): 38901587328

約数和(自身を除く): 19991093558

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270149911, 540299822, 1350749555, 1891049377, 2701499110, 3782098754, 9455246885, 18910493770]

約数ペア:

[(1, 18910493770), (2, 9455246885), (5, 3782098754), (7, 2701499110), (10, 1891049377), (14, 1350749555), (35, 540299822), (70, 270149911)]