18729193

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2657}}^1$

素因数の和:2736

約数の個数: 16

約数和(自身を含む): 22965120

約数和(自身を除く): 4235927

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2657, 7049, 18599, 50483, 140821, 353381, 985747, 2675599, 18729193]

約数ペア:

[(1, 18729193), (7, 2675599), (19, 985747), (53, 353381), (133, 140821), (371, 50483), (1007, 18599), (2657, 7049)]