18790419

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 6783981

約数列:

[1, 3, 73, 219, 239, 359, 717, 1077, 17447, 26207, 52341, 78621, 85801, 257403, 6263473, 18790419]

約数ペア:

[(1, 18790419), (3, 6263473), (73, 257403), (219, 85801), (239, 78621), (359, 52341), (717, 26207), (1077, 17447)]