19729404

素因数分解:

$2^2\times 3^2\times {\mathrm{548039}}^1$

素因数の和:548049

約数の個数: 18

約数和(自身を含む): 49871640

約数和(自身を除く): 30142236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 548039, 1096078, 1644117, 2192156, 3288234, 4932351, 6576468, 9864702, 19729404]

約数ペア:

[(1, 19729404), (2, 9864702), (3, 6576468), (4, 4932351), (6, 3288234), (9, 2192156), (12, 1644117), (18, 1096078), (36, 548039)]