138518018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{51341}}^1$

素因数の和:51433

約数の個数: 16

約数和(自身を含む): 221797440

約数和(自身を除く): 83279422

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 51341, 102682, 975479, 1950958, 3645211, 7290422, 69259009, 138518018]

約数ペア:

[(1, 138518018), (2, 69259009), (19, 7290422), (38, 3645211), (71, 1950958), (142, 975479), (1349, 102682), (2698, 51341)]