19520810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17909}}^1$

素因数の和:18025

約数の個数: 16

約数和(自身を含む): 35461800

約数和(自身を除く): 15940990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17909, 35818, 89545, 179090, 1952081, 3904162, 9760405, 19520810]

約数ペア:

[(1, 19520810), (2, 9760405), (5, 3904162), (10, 1952081), (109, 179090), (218, 89545), (545, 35818), (1090, 17909)]