18834291

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1549}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 31272800

約数和(自身を除く): 12438509

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1549, 1737, 4053, 4647, 10843, 12159, 13941, 32529, 97587, 298957, 896871, 2092699, 2690613, 6278097, 18834291]

約数ペア:

[(1, 18834291), (3, 6278097), (7, 2690613), (9, 2092699), (21, 896871), (63, 298957), (193, 97587), (579, 32529), (1351, 13941), (1549, 12159), (1737, 10843), (4053, 4647)]