2018321744

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{490837}}^1$

素因数の和:491102

約数の個数: 20

約数和(自身を含む): 3925722324

約数和(自身を除く): 1907400580

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 490837, 981674, 1963348, 3926696, 7853392, 126145109, 252290218, 504580436, 1009160872, 2018321744]

約数ペア:

[(1, 2018321744), (2, 1009160872), (4, 504580436), (8, 252290218), (16, 126145109), (257, 7853392), (514, 3926696), (1028, 1963348), (2056, 981674), (4112, 490837)]