19963902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475331}}^1$

素因数の和:475343

約数の個数: 16

約数和(自身を含む): 45631872

約数和(自身を除く): 25667970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475331, 950662, 1425993, 2851986, 3327317, 6654634, 9981951, 19963902]

約数ペア:

[(1, 19963902), (2, 9981951), (3, 6654634), (6, 3327317), (7, 2851986), (14, 1425993), (21, 950662), (42, 475331)]