19810588

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2753}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 39789792

約数和(自身を除く): 19979204

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2753, 3598, 5506, 7196, 11012, 19271, 38542, 77084, 707521, 1415042, 2830084, 4952647, 9905294, 19810588]

約数ペア:

[(1, 19810588), (2, 9905294), (4, 4952647), (7, 2830084), (14, 1415042), (28, 707521), (257, 77084), (514, 38542), (1028, 19271), (1799, 11012), (2753, 7196), (3598, 5506)]