19971662

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2311}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 31212000

約数和(自身を除く): 11240338

約数列:

[1, 2, 29, 58, 149, 298, 2311, 4321, 4622, 8642, 67019, 134038, 344339, 688678, 9985831, 19971662]

約数ペア:

[(1, 19971662), (2, 9985831), (29, 688678), (58, 344339), (149, 134038), (298, 67019), (2311, 8642), (4321, 4622)]