19712216

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{5717}}^1$

素因数の和:6154

約数の個数: 16

約数和(自身を含む): 37052640

約数和(自身を除く): 17340424

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 5717, 11434, 22868, 45736, 2464027, 4928054, 9856108, 19712216]

約数ペア:

[(1, 19712216), (2, 9856108), (4, 4928054), (8, 2464027), (431, 45736), (862, 22868), (1724, 11434), (3448, 5717)]