19727037

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 32194560

約数和(自身を除く): 12467523

約数列:

[1, 3, 9, 11, 27, 33, 99, 127, 297, 381, 523, 1143, 1397, 1569, 3429, 4191, 4707, 5753, 12573, 14121, 17259, 37719, 51777, 66421, 155331, 199263, 597789, 730631, 1793367, 2191893, 6575679, 19727037]

約数ペア:

[(1, 19727037), (3, 6575679), (9, 2191893), (11, 1793367), (27, 730631), (33, 597789), (99, 199263), (127, 155331), (297, 66421), (381, 51777), (523, 37719), (1143, 17259), (1397, 14121), (1569, 12573), (3429, 5753), (4191, 4707)]