2019979904

素因数分解:

$2^7\times {\mathrm{15781093}}^1$

素因数の和:15781107

約数の個数: 16

約数和(自身を含む): 4024178970

約数和(自身を除く): 2004199066

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 15781093, 31562186, 63124372, 126248744, 252497488, 504994976, 1009989952, 2019979904]

約数ペア:

[(1, 2019979904), (2, 1009989952), (4, 504994976), (8, 252497488), (16, 126248744), (32, 63124372), (64, 31562186), (128, 15781093)]