18998889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69593}}^1$

素因数の和:69616

約数の個数: 16

約数和(自身を含む): 31178112

約数和(自身を除く): 12179223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69593, 208779, 487151, 904709, 1461453, 2714127, 6332963, 18998889]

約数ペア:

[(1, 18998889), (3, 6332963), (7, 2714127), (13, 1461453), (21, 904709), (39, 487151), (91, 208779), (273, 69593)]