19820204

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2221}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 36583008

約数和(自身を除く): 16762804

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2221, 2231, 4442, 4462, 8884, 8924, 51083, 102166, 204332, 215437, 430874, 861748, 4955051, 9910102, 19820204]

約数ペア:

[(1, 19820204), (2, 9910102), (4, 4955051), (23, 861748), (46, 430874), (92, 215437), (97, 204332), (194, 102166), (388, 51083), (2221, 8924), (2231, 8884), (4442, 4462)]