19489054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14143}}^1$

素因数の和:14211

約数の個数: 16

約数和(自身を含む): 32078592

約数和(自身を除く): 12589538

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14143, 28286, 183859, 367718, 749579, 1499158, 9744527, 19489054]

約数ペア:

[(1, 19489054), (2, 9744527), (13, 1499158), (26, 749579), (53, 367718), (106, 183859), (689, 28286), (1378, 14143)]