19926885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10979}}^1$

素因数の和:11009

約数の個数: 24

約数和(自身を含む): 35048160

約数和(自身を除く): 15121275

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 10979, 32937, 54895, 120769, 164685, 362307, 603845, 1328459, 1811535, 3985377, 6642295, 19926885]

約数ペア:

[(1, 19926885), (3, 6642295), (5, 3985377), (11, 1811535), (15, 1328459), (33, 603845), (55, 362307), (121, 164685), (165, 120769), (363, 54895), (605, 32937), (1815, 10979)]