18818888

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19441}}^1$

素因数の和:19469

約数の個数: 24

約数和(自身を含む): 38786790

約数和(自身を除く): 19967902

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 19441, 38882, 77764, 155528, 213851, 427702, 855404, 1710808, 2352361, 4704722, 9409444, 18818888]

約数ペア:

[(1, 18818888), (2, 9409444), (4, 4704722), (8, 2352361), (11, 1710808), (22, 855404), (44, 427702), (88, 213851), (121, 155528), (242, 77764), (484, 38882), (968, 19441)]