19679679

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1609}}^1$

素因数の和:1772

約数の個数: 20

約数和(自身を含む): 29611120

約数和(自身を除く): 9931441

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1609, 4077, 4827, 12231, 14481, 43443, 130329, 242959, 728877, 2186631, 6559893, 19679679]

約数ペア:

[(1, 19679679), (3, 6559893), (9, 2186631), (27, 728877), (81, 242959), (151, 130329), (453, 43443), (1359, 14481), (1609, 12231), (4077, 4827)]