19725066837

素因数分解:

$3^3\times 7^1\times {\mathrm{1873}}^1\times {\mathrm{55721}}^1$

素因数の和:57610

約数の個数: 32

約数和(自身を含む): 33415368960

約数和(自身を除く): 13690302123

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1873, 5619, 13111, 16857, 39333, 50571, 55721, 117999, 167163, 353997, 390047, 501489, 1170141, 1504467, 3510423, 10531269, 104365433, 313096299, 730558031, 939288897, 2191674093, 2817866691, 6575022279, 19725066837]

約数ペア:

[(1, 19725066837), (3, 6575022279), (7, 2817866691), (9, 2191674093), (21, 939288897), (27, 730558031), (63, 313096299), (189, 104365433), (1873, 10531269), (5619, 3510423), (13111, 1504467), (16857, 1170141), (39333, 501489), (50571, 390047), (55721, 353997), (117999, 167163)]