18790839

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{30259}}^1$

素因数の和:30291

約数の個数: 16

約数和(自身を含む): 29049600

約数和(自身を除く): 10258761

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 30259, 90777, 272331, 695957, 816993, 2087871, 6263613, 18790839]

約数ペア:

[(1, 18790839), (3, 6263613), (9, 2087871), (23, 816993), (27, 695957), (69, 272331), (207, 90777), (621, 30259)]