18913370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270191}}^1$

素因数の和:270205

約数の個数: 16

約数和(自身を含む): 38907648

約数和(自身を除く): 19994278

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270191, 540382, 1350955, 1891337, 2701910, 3782674, 9456685, 18913370]

約数ペア:

[(1, 18913370), (2, 9456685), (5, 3782674), (7, 2701910), (10, 1891337), (14, 1350955), (35, 540382), (70, 270191)]