1920019568

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{764339}}^1$

素因数の和:764504

約数の個数: 20

約数和(自身を含む): 3743737320

約数和(自身を除く): 1823717752

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 764339, 1528678, 3057356, 6114712, 12229424, 120001223, 240002446, 480004892, 960009784, 1920019568]

約数ペア:

[(1, 1920019568), (2, 960009784), (4, 480004892), (8, 240002446), (16, 120001223), (157, 12229424), (314, 6114712), (628, 3057356), (1256, 1528678), (2512, 764339)]