19637739

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{677}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 31095792

約数和(自身を除く): 11458053

約数列:

[1, 3, 9, 11, 33, 99, 293, 677, 879, 2031, 2637, 3223, 6093, 7447, 9669, 22341, 29007, 67023, 198361, 595083, 1785249, 2181971, 6545913, 19637739]

約数ペア:

[(1, 19637739), (3, 6545913), (9, 2181971), (11, 1785249), (33, 595083), (99, 198361), (293, 67023), (677, 29007), (879, 22341), (2031, 9669), (2637, 7447), (3223, 6093)]