18489009

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80039}}^1$

素因数の和:80060

約数の個数: 16

約数和(自身を含む): 30735360

約数和(自身を除く): 12246351

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80039, 240117, 560273, 880429, 1680819, 2641287, 6163003, 18489009]

約数ペア:

[(1, 18489009), (3, 6163003), (7, 2641287), (11, 1680819), (21, 880429), (33, 560273), (77, 240117), (231, 80039)]