18855668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27893}}^1$

素因数の和:27923

約数の個数: 18

約数和(自身を含む): 35732214

約数和(自身を除く): 16876546

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27893, 55786, 111572, 362609, 725218, 1450436, 4713917, 9427834, 18855668]

約数ペア:

[(1, 18855668), (2, 9427834), (4, 4713917), (13, 1450436), (26, 725218), (52, 362609), (169, 111572), (338, 55786), (676, 27893)]