17967371780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21911429}}^1$

素因数の和:21911479

約数の個数: 24

約数和(自身を含む): 38651762520

約数和(自身を除く): 20684390740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21911429, 43822858, 87645716, 109557145, 219114290, 438228580, 898368589, 1796737178, 3593474356, 4491842945, 8983685890, 17967371780]

約数ペア:

[(1, 17967371780), (2, 8983685890), (4, 4491842945), (5, 3593474356), (10, 1796737178), (20, 898368589), (41, 438228580), (82, 219114290), (164, 109557145), (205, 87645716), (410, 43822858), (820, 21911429)]