200801918

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{278119}}^1$

素因数の和:278159

約数の個数: 12

約数和(自身を含む): 317891160

約数和(自身を除く): 117089242

約数列:

[1, 2, 19, 38, 361, 722, 278119, 556238, 5284261, 10568522, 100400959, 200801918]

約数ペア:

[(1, 200801918), (2, 100400959), (19, 10568522), (38, 5284261), (361, 556238), (722, 278119)]