2019928984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{209189}}^1$

素因数の和:209283

約数の個数: 32

約数和(自身を含む): 4066653600

約数和(自身を除く): 2046724616

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 9656, 209189, 418378, 836756, 1673512, 3556213, 7112426, 14224852, 14852419, 28449704, 29704838, 59409676, 118819352, 252491123, 504982246, 1009964492, 2019928984]

約数ペア:

[(1, 2019928984), (2, 1009964492), (4, 504982246), (8, 252491123), (17, 118819352), (34, 59409676), (68, 29704838), (71, 28449704), (136, 14852419), (142, 14224852), (284, 7112426), (568, 3556213), (1207, 1673512), (2414, 836756), (4828, 418378), (9656, 209189)]