20194609306

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{27970373}}^1$

素因数の和:27970413

約数の個数: 12

約数和(自身を含む): 31970137482

約数和(自身を除く): 11775528176

約数列:

[1, 2, 19, 38, 361, 722, 27970373, 55940746, 531437087, 1062874174, 10097304653, 20194609306]

約数ペア:

[(1, 20194609306), (2, 10097304653), (19, 1062874174), (38, 531437087), (361, 55940746), (722, 27970373)]