19874427

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 27000960

約数和(自身を除く): 7126533

約数列:

[1, 3, 97, 163, 291, 419, 489, 1257, 15811, 40643, 47433, 68297, 121929, 204891, 6624809, 19874427]

約数ペア:

[(1, 19874427), (3, 6624809), (97, 204891), (163, 121929), (291, 68297), (419, 47433), (489, 40643), (1257, 15811)]