18988677

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 29427840

約数和(自身を除く): 10439163

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 1571, 4029, 4713, 12087, 14139, 26707, 80121, 124109, 240363, 372327, 1116981, 2109853, 6329559, 18988677]

約数ペア:

[(1, 18988677), (3, 6329559), (9, 2109853), (17, 1116981), (51, 372327), (79, 240363), (153, 124109), (237, 80121), (711, 26707), (1343, 14139), (1571, 12087), (4029, 4713)]