201918508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{417187}}^1$

素因数の和:417213

約数の個数: 18

約数和(自身を含む): 388402028

約数和(自身を除く): 186483520

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 417187, 834374, 1668748, 4589057, 9178114, 18356228, 50479627, 100959254, 201918508]

約数ペア:

[(1, 201918508), (2, 100959254), (4, 50479627), (11, 18356228), (22, 9178114), (44, 4589057), (121, 1668748), (242, 834374), (484, 417187)]