18671643

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 28312128

約数和(自身を除く): 9640485

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1193, 1739, 3579, 5217, 10737, 15651, 44141, 56071, 132423, 168213, 397269, 504639, 2074627, 6223881, 18671643]

約数ペア:

[(1, 18671643), (3, 6223881), (9, 2074627), (37, 504639), (47, 397269), (111, 168213), (141, 132423), (333, 56071), (423, 44141), (1193, 15651), (1739, 10737), (3579, 5217)]