18897284

素因数分解:

$2^2\times 7^1\times {\mathrm{674903}}^1$

素因数の和:674914

約数の個数: 12

約数和(自身を含む): 37794624

約数和(自身を除く): 18897340

約数列:

[1, 2, 4, 7, 14, 28, 674903, 1349806, 2699612, 4724321, 9448642, 18897284]

約数ペア:

[(1, 18897284), (2, 9448642), (4, 4724321), (7, 2699612), (14, 1349806), (28, 674903)]