18636513

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 29225952

約数和(自身を除く): 10589439

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 1307, 2037, 3921, 4753, 9149, 14259, 27447, 64043, 126779, 192129, 380337, 887453, 2662359, 6212171, 18636513]

約数ペア:

[(1, 18636513), (3, 6212171), (7, 2662359), (21, 887453), (49, 380337), (97, 192129), (147, 126779), (291, 64043), (679, 27447), (1307, 14259), (2037, 9149), (3921, 4753)]