187680980

素因数分解:

$2^2\times 5^1\times {\mathrm{9384049}}^1$

素因数の和:9384058

約数の個数: 12

約数和(自身を含む): 394130100

約数和(自身を除く): 206449120

約数列:

[1, 2, 4, 5, 10, 20, 9384049, 18768098, 37536196, 46920245, 93840490, 187680980]

約数ペア:

[(1, 187680980), (2, 93840490), (4, 46920245), (5, 37536196), (10, 18768098), (20, 9384049)]