19993572

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2161}}^1$

素因数の和:2428

約数の個数: 36

約数和(自身を含む): 50759436

約数和(自身を除く): 30765864

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2161, 2313, 3084, 4322, 4626, 6483, 8644, 9252, 12966, 19449, 25932, 38898, 77796, 555377, 1110754, 1666131, 2221508, 3332262, 4998393, 6664524, 9996786, 19993572]

約数ペア:

[(1, 19993572), (2, 9996786), (3, 6664524), (4, 4998393), (6, 3332262), (9, 2221508), (12, 1666131), (18, 1110754), (36, 555377), (257, 77796), (514, 38898), (771, 25932), (1028, 19449), (1542, 12966), (2161, 9252), (2313, 8644), (3084, 6483), (4322, 4626)]