18723146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16747}}^1$

素因数の和:16805

約数の個数: 16

約数和(自身を含む): 30950304

約数和(自身を除く): 12227158

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 16747, 33494, 217711, 435422, 720121, 1440242, 9361573, 18723146]

約数ペア:

[(1, 18723146), (2, 9361573), (13, 1440242), (26, 720121), (43, 435422), (86, 217711), (559, 33494), (1118, 16747)]