18931804

素因数分解:

$2^2\times {\mathrm{2131}}^1\times {\mathrm{2221}}^1$

素因数の和:4356

約数の個数: 12

約数和(自身を含む): 33161128

約数和(自身を除く): 14229324

約数列:

[1, 2, 4, 2131, 2221, 4262, 4442, 8524, 8884, 4732951, 9465902, 18931804]

約数ペア:

[(1, 18931804), (2, 9465902), (4, 4732951), (2131, 8884), (2221, 8524), (4262, 4442)]