19661409

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3709}}^1$

素因数の和:3765

約数の個数: 24

約数和(自身を含む): 30867200

約数和(自身を除く): 11205791

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3709, 5301, 11127, 33381, 70471, 114979, 211413, 344937, 634239, 1034811, 2184601, 6553803, 19661409]

約数ペア:

[(1, 19661409), (3, 6553803), (9, 2184601), (19, 1034811), (31, 634239), (57, 344937), (93, 211413), (171, 114979), (279, 70471), (589, 33381), (1767, 11127), (3709, 5301)]