19980842

素因数分解:

$2^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4871}}^1$

素因数の和:5173

約数の個数: 16

約数和(自身を含む): 34376832

約数和(自身を除く): 14395990

約数列:

[1, 2, 7, 14, 293, 586, 2051, 4102, 4871, 9742, 34097, 68194, 1427203, 2854406, 9990421, 19980842]

約数ペア:

[(1, 19980842), (2, 9990421), (7, 2854406), (14, 1427203), (293, 68194), (586, 34097), (2051, 9742), (4102, 4871)]