19303689

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 26537984

約数和(自身を除く): 7234295

約数列:

[1, 3, 43, 129, 151, 453, 991, 2973, 6493, 19479, 42613, 127839, 149641, 448923, 6434563, 19303689]

約数ペア:

[(1, 19303689), (3, 6434563), (43, 448923), (129, 149641), (151, 127839), (453, 42613), (991, 19479), (2973, 6493)]