18547827

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 26385408

約数和(自身を除く): 7837581

約数列:

[1, 3, 31, 53, 71, 93, 159, 213, 1643, 2201, 2809, 3763, 4929, 6603, 8427, 11289, 87079, 116653, 199439, 261237, 349959, 598317, 6182609, 18547827]

約数ペア:

[(1, 18547827), (3, 6182609), (31, 598317), (53, 349959), (71, 261237), (93, 199439), (159, 116653), (213, 87079), (1643, 11289), (2201, 8427), (2809, 6603), (3763, 4929)]