19803483

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 34744320

約数和(自身を除く): 14940837

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 79, 161, 173, 207, 237, 483, 519, 553, 711, 1211, 1449, 1557, 1659, 1817, 3633, 3979, 4977, 5451, 10899, 11937, 12719, 13667, 16353, 27853, 35811, 38157, 41001, 83559, 95669, 114471, 123003, 250677, 287007, 314341, 861021, 943023, 2200387, 2829069, 6601161, 19803483]

約数ペア:

[(1, 19803483), (3, 6601161), (7, 2829069), (9, 2200387), (21, 943023), (23, 861021), (63, 314341), (69, 287007), (79, 250677), (161, 123003), (173, 114471), (207, 95669), (237, 83559), (483, 41001), (519, 38157), (553, 35811), (711, 27853), (1211, 16353), (1449, 13667), (1557, 12719), (1659, 11937), (1817, 10899), (3633, 5451), (3979, 4977)]