19086717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 28498176

約数和(自身を除く): 9411459

約数列:

[1, 3, 13, 39, 61, 71, 113, 183, 213, 339, 793, 923, 1469, 2379, 2769, 4331, 4407, 6893, 8023, 12993, 20679, 24069, 56303, 89609, 104299, 168909, 268827, 312897, 489403, 1468209, 6362239, 19086717]

約数ペア:

[(1, 19086717), (3, 6362239), (13, 1468209), (39, 489403), (61, 312897), (71, 268827), (113, 168909), (183, 104299), (213, 89609), (339, 56303), (793, 24069), (923, 20679), (1469, 12993), (2379, 8023), (2769, 6893), (4331, 4407)]