19806897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2621}}^1$

素因数の和:2864

約数の個数: 16

約数和(自身を含む): 28946880

約数和(自身を除く): 9139983

約数列:

[1, 3, 11, 33, 229, 687, 2519, 2621, 7557, 7863, 28831, 86493, 600209, 1800627, 6602299, 19806897]

約数ペア:

[(1, 19806897), (3, 6602299), (11, 1800627), (33, 600209), (229, 86493), (687, 28831), (2519, 7863), (2621, 7557)]