19431378

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^2$

素因数の和:2086

約数の個数: 18

約数和(自身を含む): 42141879

約数和(自身を除く): 22710501

約数列:

[1, 2, 3, 6, 9, 18, 1039, 2078, 3117, 6234, 9351, 18702, 1079521, 2159042, 3238563, 6477126, 9715689, 19431378]

約数ペア:

[(1, 19431378), (2, 9715689), (3, 6477126), (6, 3238563), (9, 2159042), (18, 1079521), (1039, 18702), (2078, 9351), (3117, 6234)]