19990190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181729}}^1$

素因数の和:181747

約数の個数: 16

約数和(自身を含む): 39253680

約数和(自身を除く): 19263490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181729, 363458, 908645, 1817290, 1999019, 3998038, 9995095, 19990190]

約数ペア:

[(1, 19990190), (2, 9995095), (5, 3998038), (10, 1999019), (11, 1817290), (22, 908645), (55, 363458), (110, 181729)]