2019921712

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{403339}}^1$

素因数の和:403660

約数の個数: 20

約数和(自身を含む): 3926111560

約数和(自身を除く): 1906189848

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 403339, 806678, 1613356, 3226712, 6453424, 126245107, 252490214, 504980428, 1009960856, 2019921712]

約数ペア:

[(1, 2019921712), (2, 1009960856), (4, 504980428), (8, 252490214), (16, 126245107), (313, 6453424), (626, 3226712), (1252, 1613356), (2504, 806678), (5008, 403339)]