19691438404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10407737}}^1$

素因数の和:10407795

約数の個数: 24

約数和(自身を含む): 38466999648

約数和(自身を除く): 18775561244

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10407737, 20815474, 41630948, 114485107, 228970214, 447532691, 457940428, 895065382, 1790130764, 4922859601, 9845719202, 19691438404]

約数ペア:

[(1, 19691438404), (2, 9845719202), (4, 4922859601), (11, 1790130764), (22, 895065382), (43, 457940428), (44, 447532691), (86, 228970214), (172, 114485107), (473, 41630948), (946, 20815474), (1892, 10407737)]