17968912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86389}}^1$

素因数の和:86410

約数の個数: 20

約数和(自身を含む): 37493260

約数和(自身を除く): 19524348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86389, 172778, 345556, 691112, 1123057, 1382224, 2246114, 4492228, 8984456, 17968912]

約数ペア:

[(1, 17968912), (2, 8984456), (4, 4492228), (8, 2246114), (13, 1382224), (16, 1123057), (26, 691112), (52, 345556), (104, 172778), (208, 86389)]