18908470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270121}}^1$

素因数の和:270135

約数の個数: 16

約数和(自身を含む): 38897568

約数和(自身を除く): 19989098

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270121, 540242, 1350605, 1890847, 2701210, 3781694, 9454235, 18908470]

約数ペア:

[(1, 18908470), (2, 9454235), (5, 3781694), (7, 2701210), (10, 1890847), (14, 1350605), (35, 540242), (70, 270121)]