18868418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2371}}^1$

素因数の和:2569

約数の個数: 16

約数和(自身を含む): 29716416

約数和(自身を除く): 10847998

約数列:

[1, 2, 23, 46, 173, 346, 2371, 3979, 4742, 7958, 54533, 109066, 410183, 820366, 9434209, 18868418]

約数ペア:

[(1, 18868418), (2, 9434209), (23, 820366), (46, 410183), (173, 109066), (346, 54533), (2371, 7958), (3979, 4742)]