19923155

素因数分解:

$5^1\times 7^3\times {\mathrm{11617}}^1$

素因数の和:11643

約数の個数: 16

約数和(自身を含む): 27883200

約数和(自身を除く): 7960045

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 11617, 58085, 81319, 406595, 569233, 2846165, 3984631, 19923155]

約数ペア:

[(1, 19923155), (5, 3984631), (7, 2846165), (35, 569233), (49, 406595), (245, 81319), (343, 58085), (1715, 11617)]