18869247

素因数分解:

$3^3\times {\mathrm{479}}^1\times {\mathrm{1459}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 28032000

約数和(自身を除く): 9162753

約数列:

[1, 3, 9, 27, 479, 1437, 1459, 4311, 4377, 12933, 13131, 39393, 698861, 2096583, 6289749, 18869247]

約数ペア:

[(1, 18869247), (3, 6289749), (9, 2096583), (27, 698861), (479, 39393), (1437, 13131), (1459, 12933), (4311, 4377)]