1973990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1927

約数の個数: 16

約数和(自身を含む): 3587760

約数和(自身を除く): 1613770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1811, 3622, 9055, 18110, 197399, 394798, 986995, 1973990]

約数ペア:

[(1, 1973990), (2, 986995), (5, 394798), (10, 197399), (109, 18110), (218, 9055), (545, 3622), (1090, 1811)]