18897404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{277903}}^1$

素因数の和:277924

約数の個数: 12

約数和(自身を含む): 35015904

約数和(自身を除く): 16118500

約数列:

[1, 2, 4, 17, 34, 68, 277903, 555806, 1111612, 4724351, 9448702, 18897404]

約数ペア:

[(1, 18897404), (2, 9448702), (4, 4724351), (17, 1111612), (34, 555806), (68, 277903)]