18990146

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1811}}^1$

素因数の和:1934

約数の個数: 24

約数和(自身を含む): 33464016

約数和(自身を除く): 14473870

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 1811, 3622, 5243, 10486, 12677, 25354, 88739, 177478, 193777, 387554, 1356439, 2712878, 9495073, 18990146]

約数ペア:

[(1, 18990146), (2, 9495073), (7, 2712878), (14, 1356439), (49, 387554), (98, 193777), (107, 177478), (214, 88739), (749, 25354), (1498, 12677), (1811, 10486), (3622, 5243)]