18712287

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17183}}^1$

素因数の和:17211

約数の個数: 18

約数和(自身を含む): 29711136

約数和(自身を除く): 10998849

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17183, 51549, 154647, 189013, 567039, 1701117, 2079143, 6237429, 18712287]

約数ペア:

[(1, 18712287), (3, 6237429), (9, 2079143), (11, 1701117), (33, 567039), (99, 189013), (121, 154647), (363, 51549), (1089, 17183)]