19291023

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3049}}^1$

素因数の和:3111

約数の個数: 24

約数和(自身を含む): 30134000

約数和(自身を除く): 10842977

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 3049, 6327, 9147, 27441, 57931, 112813, 173793, 338439, 521379, 1015317, 2143447, 6430341, 19291023]

約数ペア:

[(1, 19291023), (3, 6430341), (9, 2143447), (19, 1015317), (37, 521379), (57, 338439), (111, 173793), (171, 112813), (333, 57931), (703, 27441), (2109, 9147), (3049, 6327)]