18388219

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 20148480

約数和(自身を除く): 1760261

約数列:

[1, 19, 43, 71, 317, 817, 1349, 3053, 6023, 13631, 22507, 58007, 258989, 427633, 967801, 18388219]

約数ペア:

[(1, 18388219), (19, 967801), (43, 427633), (71, 258989), (317, 58007), (817, 22507), (1349, 13631), (3053, 6023)]