1880495900

素因数分解:

$2^2\times 5^2\times {\mathrm{18804959}}^1$

素因数の和:18804973

約数の個数: 18

約数和(自身を含む): 4080676320

約数和(自身を除く): 2200180420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 18804959, 37609918, 75219836, 94024795, 188049590, 376099180, 470123975, 940247950, 1880495900]

約数ペア:

[(1, 1880495900), (2, 940247950), (4, 470123975), (5, 376099180), (10, 188049590), (20, 94024795), (25, 75219836), (50, 37609918), (100, 18804959)]