18804287

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 20034432

約数和(自身を除く): 1230145

約数列:

[1, 43, 61, 67, 107, 2623, 2881, 4087, 4601, 6527, 7169, 175741, 280661, 308267, 437309, 18804287]

約数ペア:

[(1, 18804287), (43, 437309), (61, 308267), (67, 280661), (107, 175741), (2623, 7169), (2881, 6527), (4087, 4601)]