219841754

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{22157}}^1$

素因数の和:22222

約数の個数: 24

約数和(自身を含む): 371323764

約数和(自身を除く): 151482010

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 4961, 9922, 22157, 44314, 243727, 487454, 908437, 1816874, 2680997, 5361994, 9992807, 19985614, 109920877, 219841754]

約数ペア:

[(1, 219841754), (2, 109920877), (11, 19985614), (22, 9992807), (41, 5361994), (82, 2680997), (121, 1816874), (242, 908437), (451, 487454), (902, 243727), (4961, 44314), (9922, 22157)]