199921810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1817471}}^1$

素因数の和:1817489

約数の個数: 16

約数和(自身を含む): 392573952

約数和(自身を除く): 192652142

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1817471, 3634942, 9087355, 18174710, 19992181, 39984362, 99960905, 199921810]

約数ペア:

[(1, 199921810), (2, 99960905), (5, 39984362), (10, 19992181), (11, 18174710), (22, 9087355), (55, 3634942), (110, 1817471)]