18459368

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21169}}^1$

素因数の和:21284

約数の個数: 16

約数和(自身を含む): 34930500

約数和(自身を除く): 16471132

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21169, 42338, 84676, 169352, 2307421, 4614842, 9229684, 18459368]

約数ペア:

[(1, 18459368), (2, 9229684), (4, 4614842), (8, 2307421), (109, 169352), (218, 84676), (436, 42338), (872, 21169)]