18988772

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39233}}^1$

素因数の和:39259

約数の個数: 18

約数和(自身を含む): 36526854

約数和(自身を除く): 17538082

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39233, 78466, 156932, 431563, 863126, 1726252, 4747193, 9494386, 18988772]

約数ペア:

[(1, 18988772), (2, 9494386), (4, 4747193), (11, 1726252), (22, 863126), (44, 431563), (121, 156932), (242, 78466), (484, 39233)]