19211335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 27461952

約数和(自身を除く): 8250617

約数列:

[1, 5, 11, 13, 55, 65, 97, 143, 277, 485, 715, 1067, 1261, 1385, 3047, 3601, 5335, 6305, 13871, 15235, 18005, 26869, 39611, 69355, 134345, 198055, 295559, 349297, 1477795, 1746485, 3842267, 19211335]

約数ペア:

[(1, 19211335), (5, 3842267), (11, 1746485), (13, 1477795), (55, 349297), (65, 295559), (97, 198055), (143, 134345), (277, 69355), (485, 39611), (715, 26869), (1067, 18005), (1261, 15235), (1385, 13871), (3047, 6305), (3601, 5335)]