18714417

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 6967503

約数列:

[1, 3, 43, 129, 239, 607, 717, 1821, 10277, 26101, 30831, 78303, 145073, 435219, 6238139, 18714417]

約数ペア:

[(1, 18714417), (3, 6238139), (43, 435219), (129, 145073), (239, 78303), (607, 30831), (717, 26101), (1821, 10277)]