19967492

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1117}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 36156120

約数和(自身を除く): 16188628

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 1117, 2234, 4468, 4469, 8938, 17876, 45797, 91594, 121753, 183188, 243506, 487012, 4991873, 9983746, 19967492]

約数ペア:

[(1, 19967492), (2, 9983746), (4, 4991873), (41, 487012), (82, 243506), (109, 183188), (164, 121753), (218, 91594), (436, 45797), (1117, 17876), (2234, 8938), (4468, 4469)]