12939646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7919}}^1$

素因数の和:7983

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 7969154

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 7919, 15838, 150461, 300922, 340517, 681034, 6469823, 12939646]

約数ペア:

[(1, 12939646), (2, 6469823), (19, 681034), (38, 340517), (43, 300922), (86, 150461), (817, 15838), (1634, 7919)]