18794828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27803}}^1$

素因数の和:27833

約数の個数: 18

約数和(自身を含む): 35616924

約数和(自身を除く): 16822096

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27803, 55606, 111212, 361439, 722878, 1445756, 4698707, 9397414, 18794828]

約数ペア:

[(1, 18794828), (2, 9397414), (4, 4698707), (13, 1445756), (26, 722878), (52, 361439), (169, 111212), (338, 55606), (676, 27803)]