18976660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7243}}^1$

素因数の和:7383

約数の個数: 24

約数和(自身を含む): 40160736

約数和(自身を除く): 21184076

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7243, 14486, 28972, 36215, 72430, 144860, 948833, 1897666, 3795332, 4744165, 9488330, 18976660]

約数ペア:

[(1, 18976660), (2, 9488330), (4, 4744165), (5, 3795332), (10, 1897666), (20, 948833), (131, 144860), (262, 72430), (524, 36215), (655, 28972), (1310, 14486), (2620, 7243)]