18919143

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{6803}}^1$

素因数の和:6915

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 9385497

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 6803, 20409, 61227, 183681, 700709, 2102127, 6306381, 18919143]

約数ペア:

[(1, 18919143), (3, 6306381), (9, 2102127), (27, 700709), (103, 183681), (309, 61227), (927, 20409), (2781, 6803)]