20149406918

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1\times {\mathrm{89371}}^1$

素因数の和:90323

約数の個数: 16

約数和(自身を含む): 30479426880

約数和(自身を除く): 10330019962

約数列:

[1, 2, 139, 278, 811, 1622, 89371, 112729, 178742, 225458, 12422569, 24845138, 72479881, 144959762, 10074703459, 20149406918]

約数ペア:

[(1, 20149406918), (2, 10074703459), (139, 144959762), (278, 72479881), (811, 24845138), (1622, 12422569), (89371, 225458), (112729, 178742)]