19954168990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285059557}}^1$

素因数の和:285059571

約数の個数: 16

約数和(自身を含む): 41048576352

約数和(自身を除く): 21094407362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285059557, 570119114, 1425297785, 1995416899, 2850595570, 3990833798, 9977084495, 19954168990]

約数ペア:

[(1, 19954168990), (2, 9977084495), (5, 3990833798), (7, 2850595570), (10, 1995416899), (14, 1425297785), (35, 570119114), (70, 285059557)]