2019163025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{82499}}^1$

素因数の和:82609

約数の個数: 24

約数和(自身を含む): 2762100000

約数和(自身を除く): 742936975

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 4895, 24475, 82499, 412495, 907489, 2062475, 4537445, 7342411, 22687225, 36712055, 80766521, 183560275, 403832605, 2019163025]

約数ペア:

[(1, 2019163025), (5, 403832605), (11, 183560275), (25, 80766521), (55, 36712055), (89, 22687225), (275, 7342411), (445, 4537445), (979, 2062475), (2225, 907489), (4895, 412495), (24475, 82499)]