19772335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1171}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 25990272

約数和(自身を除く): 6217937

約数列:

[1, 5, 11, 55, 307, 1171, 1535, 3377, 5855, 12881, 16885, 64405, 359497, 1797485, 3954467, 19772335]

約数ペア:

[(1, 19772335), (5, 3954467), (11, 1797485), (55, 359497), (307, 64405), (1171, 16885), (1535, 12881), (3377, 5855)]