18183568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87421}}^1$

素因数の和:87442

約数の個数: 20

約数和(自身を含む): 37941148

約数和(自身を除く): 19757580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87421, 174842, 349684, 699368, 1136473, 1398736, 2272946, 4545892, 9091784, 18183568]

約数ペア:

[(1, 18183568), (2, 9091784), (4, 4545892), (8, 2272946), (13, 1398736), (16, 1136473), (26, 699368), (52, 349684), (104, 174842), (208, 87421)]