19651485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 36145152

約数和(自身を除く): 16493667

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 887, 1055, 1477, 2661, 3165, 4431, 4435, 6209, 7385, 13305, 18627, 22155, 31045, 93135, 187157, 561471, 935785, 1310099, 2807355, 3930297, 6550495, 19651485]

約数ペア:

[(1, 19651485), (3, 6550495), (5, 3930297), (7, 2807355), (15, 1310099), (21, 935785), (35, 561471), (105, 187157), (211, 93135), (633, 31045), (887, 22155), (1055, 18627), (1477, 13305), (2661, 7385), (3165, 6209), (4431, 4435)]