18550959

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1301}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 29091888

約数和(自身を除く): 10540929

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 1301, 2037, 3903, 4753, 9107, 14259, 27321, 63749, 126197, 191247, 378591, 883379, 2650137, 6183653, 18550959]

約数ペア:

[(1, 18550959), (3, 6183653), (7, 2650137), (21, 883379), (49, 378591), (97, 191247), (147, 126197), (291, 63749), (679, 27321), (1301, 14259), (2037, 9107), (3903, 4753)]