1988635

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 2777040

約数和(自身を除く): 788405

約数列:

[1, 5, 11, 19, 55, 95, 121, 173, 209, 605, 865, 1045, 1903, 2299, 3287, 9515, 11495, 16435, 20933, 36157, 104665, 180785, 397727, 1988635]

約数ペア:

[(1, 1988635), (5, 397727), (11, 180785), (19, 104665), (55, 36157), (95, 20933), (121, 16435), (173, 11495), (209, 9515), (605, 3287), (865, 2299), (1045, 1903)]