19721676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{126421}}^1$

素因数の和:126441

約数の個数: 24

約数和(自身を含む): 49557424

約数和(自身を除く): 29835748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 126421, 252842, 379263, 505684, 758526, 1517052, 1643473, 3286946, 4930419, 6573892, 9860838, 19721676]

約数ペア:

[(1, 19721676), (2, 9860838), (3, 6573892), (4, 4930419), (6, 3286946), (12, 1643473), (13, 1517052), (26, 758526), (39, 505684), (52, 379263), (78, 252842), (156, 126421)]