18540490

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4057}}^1$

素因数の和:4521

約数の個数: 16

約数和(自身を含む): 33454152

約数和(自身を除く): 14913662

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4057, 4570, 8114, 20285, 40570, 1854049, 3708098, 9270245, 18540490]

約数ペア:

[(1, 18540490), (2, 9270245), (5, 3708098), (10, 1854049), (457, 40570), (914, 20285), (2285, 8114), (4057, 4570)]