19204790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2548

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 19053130

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2459, 3905, 4918, 7810, 12295, 24590, 27049, 54098, 135245, 174589, 270490, 349178, 872945, 1745890, 1920479, 3840958, 9602395, 19204790]

約数ペア:

[(1, 19204790), (2, 9602395), (5, 3840958), (10, 1920479), (11, 1745890), (22, 872945), (55, 349178), (71, 270490), (110, 174589), (142, 135245), (355, 54098), (710, 27049), (781, 24590), (1562, 12295), (2459, 7810), (3905, 4918)]