18066608

素因数分解:

$2^4\times 7^1\times {\mathrm{161309}}^1$

素因数の和:161324

約数の個数: 20

約数和(自身を含む): 40004880

約数和(自身を除く): 21938272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161309, 322618, 645236, 1129163, 1290472, 2258326, 2580944, 4516652, 9033304, 18066608]

約数ペア:

[(1, 18066608), (2, 9033304), (4, 4516652), (7, 2580944), (8, 2258326), (14, 1290472), (16, 1129163), (28, 645236), (56, 322618), (112, 161309)]