18598736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89417}}^1$

素因数の和:89438

約数の個数: 20

約数和(自身を含む): 38807412

約数和(自身を除く): 20208676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89417, 178834, 357668, 715336, 1162421, 1430672, 2324842, 4649684, 9299368, 18598736]

約数ペア:

[(1, 18598736), (2, 9299368), (4, 4649684), (8, 2324842), (13, 1430672), (16, 1162421), (26, 715336), (52, 357668), (104, 178834), (208, 89417)]