1981244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 3696000

約数和(自身を除く): 1714756

約数列:

[1, 2, 4, 19, 38, 76, 131, 199, 262, 398, 524, 796, 2489, 3781, 4978, 7562, 9956, 15124, 26069, 52138, 104276, 495311, 990622, 1981244]

約数ペア:

[(1, 1981244), (2, 990622), (4, 495311), (19, 104276), (38, 52138), (76, 26069), (131, 15124), (199, 9956), (262, 7562), (398, 4978), (524, 3781), (796, 2489)]