18948643

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{20353}}^1$

素因数の和:20386

約数の個数: 12

約数和(自身を含む): 23203560

約数和(自身を除く): 4254917

約数列:

[1, 7, 19, 49, 133, 931, 20353, 142471, 386707, 997297, 2706949, 18948643]

約数ペア:

[(1, 18948643), (7, 2706949), (19, 997297), (49, 386707), (133, 142471), (931, 20353)]