19880299586

素因数分解:

$2^1\times 7^1\times {\mathrm{1811}}^1\times {\mathrm{784109}}^1$

素因数の和:785929

約数の個数: 16

約数和(自身を含む): 34099375680

約数和(自身を除く): 14219076094

約数列:

[1, 2, 7, 14, 1811, 3622, 12677, 25354, 784109, 1568218, 5488763, 10977526, 1420021399, 2840042798, 9940149793, 19880299586]

約数ペア:

[(1, 19880299586), (2, 9940149793), (7, 2840042798), (14, 1420021399), (1811, 10977526), (3622, 5488763), (12677, 1568218), (25354, 784109)]