19707351

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 28675584

約数和(自身を除く): 8968233

約数列:

[1, 3, 19, 31, 57, 93, 361, 587, 589, 1083, 1761, 1767, 11153, 11191, 18197, 33459, 33573, 54591, 211907, 345743, 635721, 1037229, 6569117, 19707351]

約数ペア:

[(1, 19707351), (3, 6569117), (19, 1037229), (31, 635721), (57, 345743), (93, 211907), (361, 54591), (587, 33573), (589, 33459), (1083, 18197), (1761, 11191), (1767, 11153)]