19617101

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 18

約数和(自身を含む): 24105870

約数和(自身を除く): 4488769

約数列:

[1, 7, 19, 49, 133, 361, 931, 1109, 2527, 7763, 17689, 21071, 54341, 147497, 400349, 1032479, 2802443, 19617101]

約数ペア:

[(1, 19617101), (7, 2802443), (19, 1032479), (49, 400349), (133, 147497), (361, 54341), (931, 21071), (1109, 17689), (2527, 7763)]