19500297

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 28498176

約数和(自身を除く): 8997879

約数列:

[1, 3, 23, 41, 61, 69, 113, 123, 183, 339, 943, 1403, 2501, 2599, 2829, 4209, 4633, 6893, 7503, 7797, 13899, 20679, 57523, 106559, 158539, 172569, 282613, 319677, 475617, 847839, 6500099, 19500297]

約数ペア:

[(1, 19500297), (3, 6500099), (23, 847839), (41, 475617), (61, 319677), (69, 282613), (113, 172569), (123, 158539), (183, 106559), (339, 57523), (943, 20679), (1403, 13899), (2501, 7797), (2599, 7503), (2829, 6893), (4209, 4633)]