19008333

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 28169856

約数和(自身を除く): 9161523

約数列:

[1, 3, 9, 71, 151, 197, 213, 453, 591, 639, 1359, 1773, 10721, 13987, 29747, 32163, 41961, 89241, 96489, 125883, 267723, 2112037, 6336111, 19008333]

約数ペア:

[(1, 19008333), (3, 6336111), (9, 2112037), (71, 267723), (151, 125883), (197, 96489), (213, 89241), (453, 41961), (591, 32163), (639, 29747), (1359, 13987), (1773, 10721)]