17964842

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67537}}^1$

素因数の和:67565

約数の個数: 16

約数和(自身を含む): 32418240

約数和(自身を除く): 14453398

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 67537, 135074, 472759, 945518, 1283203, 2566406, 8982421, 17964842]

約数ペア:

[(1, 17964842), (2, 8982421), (7, 2566406), (14, 1283203), (19, 945518), (38, 472759), (133, 135074), (266, 67537)]