19753767

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12421593

約数列:

[1, 3, 9, 11, 27, 33, 99, 227, 293, 297, 681, 879, 2043, 2497, 2637, 3223, 6129, 7491, 7911, 9669, 22473, 29007, 66511, 67419, 87021, 199533, 598599, 731621, 1795797, 2194863, 6584589, 19753767]

約数ペア:

[(1, 19753767), (3, 6584589), (9, 2194863), (11, 1795797), (27, 731621), (33, 598599), (99, 199533), (227, 87021), (293, 67419), (297, 66511), (681, 29007), (879, 22473), (2043, 9669), (2497, 7911), (2637, 7491), (3223, 6129)]