19773985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51361}}^1$

素因数の和:51384

約数の個数: 16

約数和(自身を含む): 29584512

約数和(自身を除く): 9810527

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51361, 256805, 359527, 564971, 1797635, 2824855, 3954797, 19773985]

約数ペア:

[(1, 19773985), (5, 3954797), (7, 2824855), (11, 1797635), (35, 564971), (55, 359527), (77, 256805), (385, 51361)]