19267339

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 25200000

約数和(自身を除く): 5932661

約数列:

[1, 7, 13, 29, 49, 91, 149, 203, 343, 377, 637, 1043, 1421, 1937, 2639, 4321, 4459, 7301, 9947, 13559, 18473, 30247, 51107, 56173, 94913, 129311, 211729, 393211, 664391, 1482103, 2752477, 19267339]

約数ペア:

[(1, 19267339), (7, 2752477), (13, 1482103), (29, 664391), (49, 393211), (91, 211729), (149, 129311), (203, 94913), (343, 56173), (377, 51107), (637, 30247), (1043, 18473), (1421, 13559), (1937, 9947), (2639, 7301), (4321, 4459)]