2019291039

素因数分解:

$3^4\times {\mathrm{2143}}^1\times {\mathrm{11633}}^1$

素因数の和:13788

約数の個数: 20

約数和(自身を含む): 3018138816

約数和(自身を除く): 998847777

約数列:

[1, 3, 9, 27, 81, 2143, 6429, 11633, 19287, 34899, 57861, 104697, 173583, 314091, 942273, 24929519, 74788557, 224365671, 673097013, 2019291039]

約数ペア:

[(1, 2019291039), (3, 673097013), (9, 224365671), (27, 74788557), (81, 24929519), (2143, 942273), (6429, 314091), (11633, 173583), (19287, 104697), (34899, 57861)]