19982391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3583}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 31481856

約数和(自身を除く): 11499465

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3583, 5577, 10749, 39413, 46579, 118239, 139737, 512369, 605527, 1537107, 1816581, 6660797, 19982391]

約数ペア:

[(1, 19982391), (3, 6660797), (11, 1816581), (13, 1537107), (33, 605527), (39, 512369), (143, 139737), (169, 118239), (429, 46579), (507, 39413), (1859, 10749), (3583, 5577)]