18809810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{98999}}^1$

素因数の和:99025

約数の個数: 16

約数和(自身を含む): 35640000

約数和(自身を除く): 16830190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 98999, 197998, 494995, 989990, 1880981, 3761962, 9404905, 18809810]

約数ペア:

[(1, 18809810), (2, 9404905), (5, 3761962), (10, 1880981), (19, 989990), (38, 494995), (95, 197998), (190, 98999)]