18942618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73421}}^1$

素因数の和:73469

約数の個数: 16

約数和(自身を含む): 38766816

約数和(自身を除く): 19824198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 73421, 146842, 220263, 440526, 3157103, 6314206, 9471309, 18942618]

約数ペア:

[(1, 18942618), (2, 9471309), (3, 6314206), (6, 3157103), (43, 440526), (86, 220263), (129, 146842), (258, 73421)]