2178148610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19801351}}^1$

素因数の和:19801369

約数の個数: 16

約数和(自身を含む): 4277092032

約数和(自身を除く): 2098943422

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19801351, 39602702, 99006755, 198013510, 217814861, 435629722, 1089074305, 2178148610]

約数ペア:

[(1, 2178148610), (2, 1089074305), (5, 435629722), (10, 217814861), (11, 198013510), (22, 99006755), (55, 39602702), (110, 19801351)]