18803990

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{9743}}^1$

素因数の和:9943

約数の個数: 16

約数和(自身を含む): 34026048

約数和(自身を除く): 15222058

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 9743, 19486, 48715, 97430, 1880399, 3760798, 9401995, 18803990]

約数ペア:

[(1, 18803990), (2, 9401995), (5, 3760798), (10, 1880399), (193, 97430), (386, 48715), (965, 19486), (1930, 9743)]