18813237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1259}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 7858443

約数列:

[1, 3, 17, 51, 293, 879, 1259, 3777, 4981, 14943, 21403, 64209, 368887, 1106661, 6271079, 18813237]

約数ペア:

[(1, 18813237), (3, 6271079), (17, 1106661), (51, 368887), (293, 64209), (879, 21403), (1259, 14943), (3777, 4981)]