18823521

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 25521408

約数和(自身を除く): 6697887

約数列:

[1, 3, 131, 211, 227, 393, 633, 681, 27641, 29737, 47897, 82923, 89211, 143691, 6274507, 18823521]

約数ペア:

[(1, 18823521), (3, 6274507), (131, 143691), (211, 89211), (227, 82923), (393, 47897), (633, 29737), (681, 27641)]