18639181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 2269619

約数列:

[1, 11, 79, 89, 241, 869, 979, 2651, 7031, 19039, 21449, 77341, 209429, 235939, 1694471, 18639181]

約数ペア:

[(1, 18639181), (11, 1694471), (79, 235939), (89, 209429), (241, 77341), (869, 21449), (979, 19039), (2651, 7031)]