19518842

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20809}}^1$

素因数の和:20885

約数の個数: 16

約数和(自身を含む): 33961920

約数和(自身を除く): 14443078

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 20809, 41618, 145663, 291326, 1394203, 2788406, 9759421, 19518842]

約数ペア:

[(1, 19518842), (2, 9759421), (7, 2788406), (14, 1394203), (67, 291326), (134, 145663), (469, 41618), (938, 20809)]