39440048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{129737}}^1$

素因数の和:129764

約数の個数: 20

約数和(自身を含む): 80437560

約数和(自身を除く): 40997512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 129737, 259474, 518948, 1037896, 2075792, 2465003, 4930006, 9860012, 19720024, 39440048]

約数ペア:

[(1, 39440048), (2, 19720024), (4, 9860012), (8, 4930006), (16, 2465003), (19, 2075792), (38, 1037896), (76, 518948), (152, 259474), (304, 129737)]