18704241

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 27931176

約数和(自身を除く): 9226935

約数列:

[1, 3, 9, 41, 123, 173, 293, 369, 519, 879, 1557, 2637, 7093, 12013, 21279, 36039, 50689, 63837, 108117, 152067, 456201, 2078249, 6234747, 18704241]

約数ペア:

[(1, 18704241), (3, 6234747), (9, 2078249), (41, 456201), (123, 152067), (173, 108117), (293, 63837), (369, 50689), (519, 36039), (879, 21279), (1557, 12013), (2637, 7093)]