18217264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87583}}^1$

素因数の和:87604

約数の個数: 20

約数和(自身を含む): 38011456

約数和(自身を除く): 19794192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87583, 175166, 350332, 700664, 1138579, 1401328, 2277158, 4554316, 9108632, 18217264]

約数ペア:

[(1, 18217264), (2, 9108632), (4, 4554316), (8, 2277158), (13, 1401328), (16, 1138579), (26, 700664), (52, 350332), (104, 175166), (208, 87583)]