18487604

素因数分解:

$2^2\times {\mathrm{2081}}^1\times {\mathrm{2221}}^1$

素因数の和:4306

約数の個数: 12

約数和(自身を含む): 32383428

約数和(自身を除く): 13895824

約数列:

[1, 2, 4, 2081, 2221, 4162, 4442, 8324, 8884, 4621901, 9243802, 18487604]

約数ペア:

[(1, 18487604), (2, 9243802), (4, 4621901), (2081, 8884), (2221, 8324), (4162, 4442)]