18684618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{72421}}^1$

素因数の和:72469

約数の個数: 16

約数和(自身を含む): 38238816

約数和(自身を除く): 19554198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 72421, 144842, 217263, 434526, 3114103, 6228206, 9342309, 18684618]

約数ペア:

[(1, 18684618), (2, 9342309), (3, 6228206), (6, 3114103), (43, 434526), (86, 217263), (129, 144842), (258, 72421)]