18729284

素因数分解:

$2^2\times 7^1\times {\mathrm{668903}}^1$

素因数の和:668914

約数の個数: 12

約数和(自身を含む): 37458624

約数和(自身を除く): 18729340

約数列:

[1, 2, 4, 7, 14, 28, 668903, 1337806, 2675612, 4682321, 9364642, 18729284]

約数ペア:

[(1, 18729284), (2, 9364642), (4, 4682321), (7, 2675612), (14, 1337806), (28, 668903)]