19205121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 10430079

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 349, 663, 1047, 1079, 1411, 3237, 4233, 4537, 5933, 13611, 17799, 18343, 28967, 55029, 77129, 86901, 231387, 376571, 492439, 1129713, 1477317, 6401707, 19205121]

約数ペア:

[(1, 19205121), (3, 6401707), (13, 1477317), (17, 1129713), (39, 492439), (51, 376571), (83, 231387), (221, 86901), (249, 77129), (349, 55029), (663, 28967), (1047, 18343), (1079, 17799), (1411, 13611), (3237, 5933), (4233, 4537)]