18912960016

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2668307}}^1$

素因数の和:2668758

約数の個数: 20

約数和(自身を含む): 36726591312

約数和(自身を除く): 17813631296

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 2668307, 5336614, 10673228, 21346456, 42692912, 1182060001, 2364120002, 4728240004, 9456480008, 18912960016]

約数ペア:

[(1, 18912960016), (2, 9456480008), (4, 4728240004), (8, 2364120002), (16, 1182060001), (443, 42692912), (886, 21346456), (1772, 10673228), (3544, 5336614), (7088, 2668307)]