18280288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43943}}^1$

素因数の和:43966

約数の個数: 24

約数和(自身を含む): 38758608

約数和(自身を除く): 20478320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 43943, 87886, 175772, 351544, 571259, 703088, 1142518, 1406176, 2285036, 4570072, 9140144, 18280288]

約数ペア:

[(1, 18280288), (2, 9140144), (4, 4570072), (8, 2285036), (13, 1406176), (16, 1142518), (26, 703088), (32, 571259), (52, 351544), (104, 175772), (208, 87886), (416, 43943)]