19756485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3301}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 41208960

約数和(自身を除く): 21452475

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3301, 5985, 9903, 16505, 23107, 29709, 49515, 62719, 69321, 115535, 148545, 188157, 207963, 313595, 346605, 439033, 564471, 940785, 1039815, 1317099, 2195165, 2822355, 3951297, 6585495, 19756485]

約数ペア:

[(1, 19756485), (3, 6585495), (5, 3951297), (7, 2822355), (9, 2195165), (15, 1317099), (19, 1039815), (21, 940785), (35, 564471), (45, 439033), (57, 346605), (63, 313595), (95, 207963), (105, 188157), (133, 148545), (171, 115535), (285, 69321), (315, 62719), (399, 49515), (665, 29709), (855, 23107), (1197, 16505), (1995, 9903), (3301, 5985)]