19039735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 27740160

約数和(自身を除く): 8700425

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 859, 1705, 2015, 4295, 4433, 9449, 11167, 22165, 26629, 47245, 55835, 122837, 133145, 292919, 346177, 614185, 1464595, 1730885, 3807947, 19039735]

約数ペア:

[(1, 19039735), (5, 3807947), (11, 1730885), (13, 1464595), (31, 614185), (55, 346177), (65, 292919), (143, 133145), (155, 122837), (341, 55835), (403, 47245), (715, 26629), (859, 22165), (1705, 11167), (2015, 9449), (4295, 4433)]