19818470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283121}}^1$

素因数の和:283135

約数の個数: 16

約数和(自身を含む): 40769568

約数和(自身を除く): 20951098

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283121, 566242, 1415605, 1981847, 2831210, 3963694, 9909235, 19818470]

約数ペア:

[(1, 19818470), (2, 9909235), (5, 3963694), (7, 2831210), (10, 1981847), (14, 1415605), (35, 566242), (70, 283121)]