18547788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{220807}}^1$

素因数の和:220821

約数の個数: 24

約数和(自身を含む): 49460992

約数和(自身を除く): 30913204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 220807, 441614, 662421, 883228, 1324842, 1545649, 2649684, 3091298, 4636947, 6182596, 9273894, 18547788]

約数ペア:

[(1, 18547788), (2, 9273894), (3, 6182596), (4, 4636947), (6, 3091298), (7, 2649684), (12, 1545649), (14, 1324842), (21, 883228), (28, 662421), (42, 441614), (84, 220807)]