18890717

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 20106240

約数和(自身を除く): 1215523

約数列:

[1, 43, 67, 79, 83, 2881, 3397, 3569, 5293, 5561, 6557, 227599, 239123, 281951, 439319, 18890717]

約数ペア:

[(1, 18890717), (43, 439319), (67, 281951), (79, 239123), (83, 227599), (2881, 6557), (3397, 5561), (3569, 5293)]