19538255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2593}}^1$

素因数の和:2746

約数の個数: 16

約数和(自身を含む): 25773984

約数和(自身を除く): 6235729

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2593, 7535, 12965, 28523, 142615, 355241, 1776205, 3907651, 19538255]

約数ペア:

[(1, 19538255), (5, 3907651), (11, 1776205), (55, 355241), (137, 142615), (685, 28523), (1507, 12965), (2593, 7535)]