19981852268

素因数分解:

$2^2\times 7^1\times {\mathrm{2617}}^1\times {\mathrm{272693}}^1$

素因数の和:275321

約数の個数: 24

約数和(自身を含む): 39979121952

約数和(自身を除く): 19997269684

約数列:

[1, 2, 4, 7, 14, 28, 2617, 5234, 10468, 18319, 36638, 73276, 272693, 545386, 1090772, 1908851, 3817702, 7635404, 713637581, 1427275162, 2854550324, 4995463067, 9990926134, 19981852268]

約数ペア:

[(1, 19981852268), (2, 9990926134), (4, 4995463067), (7, 2854550324), (14, 1427275162), (28, 713637581), (2617, 7635404), (5234, 3817702), (10468, 1908851), (18319, 1090772), (36638, 545386), (73276, 272693)]