19850943

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30493}}^1$

素因数の和:30534

約数の個数: 16

約数和(自身を含む): 31225856

約数和(自身を除く): 11374913

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30493, 91479, 213451, 640353, 945283, 2835849, 6616981, 19850943]

約数ペア:

[(1, 19850943), (3, 6616981), (7, 2835849), (21, 945283), (31, 640353), (93, 213451), (217, 91479), (651, 30493)]