2018990128

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{547}}^1\times {\mathrm{661}}^1$

素因数の和:1565

約数の個数: 40

約数和(自身を含む): 3936119600

約数和(自身を除く): 1917129472

約数列:

[1, 2, 4, 8, 16, 349, 547, 661, 698, 1094, 1322, 1396, 2188, 2644, 2792, 4376, 5288, 5584, 8752, 10576, 190903, 230689, 361567, 381806, 461378, 723134, 763612, 922756, 1446268, 1527224, 1845512, 2892536, 3054448, 3691024, 5785072, 126186883, 252373766, 504747532, 1009495064, 2018990128]

約数ペア:

[(1, 2018990128), (2, 1009495064), (4, 504747532), (8, 252373766), (16, 126186883), (349, 5785072), (547, 3691024), (661, 3054448), (698, 2892536), (1094, 1845512), (1322, 1527224), (1396, 1446268), (2188, 922756), (2644, 763612), (2792, 723134), (4376, 461378), (5288, 381806), (5584, 361567), (8752, 230689), (10576, 190903)]