15981518

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5119}}^1$

素因数の和:5351

約数の個数: 16

約数和(自身を含む): 27525120

約数和(自身を除く): 11543602

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 5119, 10238, 35833, 71666, 1141537, 2283074, 7990759, 15981518]

約数ペア:

[(1, 15981518), (2, 7990759), (7, 2283074), (14, 1141537), (223, 71666), (446, 35833), (1561, 10238), (3122, 5119)]