18440156

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1693}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 36996960

約数和(自身を除く): 18556804

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1693, 2723, 3386, 5446, 6772, 10892, 11851, 23702, 47404, 658577, 1317154, 2634308, 4610039, 9220078, 18440156]

約数ペア:

[(1, 18440156), (2, 9220078), (4, 4610039), (7, 2634308), (14, 1317154), (28, 658577), (389, 47404), (778, 23702), (1556, 11851), (1693, 10892), (2723, 6772), (3386, 5446)]