18998049

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2099}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 10032351

約数列:

[1, 3, 7, 21, 431, 1293, 2099, 3017, 6297, 9051, 14693, 44079, 904669, 2714007, 6332683, 18998049]

約数ペア:

[(1, 18998049), (3, 6332683), (7, 2714007), (21, 904669), (431, 44079), (1293, 14693), (2099, 9051), (3017, 6297)]