19081887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2593}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 27890688

約数和(自身を除く): 8808801

約数列:

[1, 3, 11, 33, 223, 669, 2453, 2593, 7359, 7779, 28523, 85569, 578239, 1734717, 6360629, 19081887]

約数ペア:

[(1, 19081887), (3, 6360629), (11, 1734717), (33, 578239), (223, 85569), (669, 28523), (2453, 7779), (2593, 7359)]