18895791

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5051}}^1$

素因数の和:5126

約数の個数: 16

約数和(自身を含む): 26674560

約数和(自身を除く): 7778769

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5051, 15153, 146479, 217193, 439437, 651579, 6298597, 18895791]

約数ペア:

[(1, 18895791), (3, 6298597), (29, 651579), (43, 439437), (87, 217193), (129, 146479), (1247, 15153), (3741, 5051)]