18009061

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 21064320

約数和(自身を除く): 3055259

約数列:

[1, 7, 89, 137, 211, 623, 959, 1477, 12193, 18779, 28907, 85351, 131453, 202349, 2572723, 18009061]

約数ペア:

[(1, 18009061), (7, 2572723), (89, 202349), (137, 131453), (211, 85351), (623, 28907), (959, 18779), (1477, 12193)]