19768385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10713535

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 1889, 2093, 9445, 10465, 13223, 24557, 43447, 66115, 122785, 171899, 217235, 304129, 564811, 859495, 1520645, 2824055, 3953677, 19768385]

約数ペア:

[(1, 19768385), (5, 3953677), (7, 2824055), (13, 1520645), (23, 859495), (35, 564811), (65, 304129), (91, 217235), (115, 171899), (161, 122785), (299, 66115), (455, 43447), (805, 24557), (1495, 13223), (1889, 10465), (2093, 9445)]