19909200519

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18907123}}^1$

素因数の和:18907148

約数の個数: 20

約数和(自身を含む): 32028668056

約数和(自身を除く): 12119467537

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18907123, 56721369, 170164107, 245792599, 510492321, 737377797, 1531476963, 2212133391, 6636400173, 19909200519]

約数ペア:

[(1, 19909200519), (3, 6636400173), (9, 2212133391), (13, 1531476963), (27, 737377797), (39, 510492321), (81, 245792599), (117, 170164107), (351, 56721369), (1053, 18907123)]