2019978190

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1853191}}^1$

素因数の和:1853307

約数の個数: 16

約数和(自身を含む): 3669320160

約数和(自身を除く): 1649341970

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1853191, 3706382, 9265955, 18531910, 201997819, 403995638, 1009989095, 2019978190]

約数ペア:

[(1, 2019978190), (2, 1009989095), (5, 403995638), (10, 201997819), (109, 18531910), (218, 9265955), (545, 3706382), (1090, 1853191)]