19997388

素因数分解:

$2^2\times 3^3\times {\mathrm{185161}}^1$

素因数の和:185174

約数の個数: 24

約数和(自身を含む): 51845360

約数和(自身を除く): 31847972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 185161, 370322, 555483, 740644, 1110966, 1666449, 2221932, 3332898, 4999347, 6665796, 9998694, 19997388]

約数ペア:

[(1, 19997388), (2, 9998694), (3, 6665796), (4, 4999347), (6, 3332898), (9, 2221932), (12, 1666449), (18, 1110966), (27, 740644), (36, 555483), (54, 370322), (108, 185161)]