18005405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29761}}^1$

素因数の和:29788

約数の個数: 12

約数和(自身を含む): 23750076

約数和(自身を除く): 5744671

約数列:

[1, 5, 11, 55, 121, 605, 29761, 148805, 327371, 1636855, 3601081, 18005405]

約数ペア:

[(1, 18005405), (5, 3601081), (11, 1636855), (55, 327371), (121, 148805), (605, 29761)]