18186255

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 14472945

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1259, 1605, 2889, 3777, 4815, 6295, 11331, 14445, 18885, 33993, 56655, 134713, 169965, 404139, 673565, 1212417, 2020695, 3637251, 6062085, 18186255]

約数ペア:

[(1, 18186255), (3, 6062085), (5, 3637251), (9, 2020695), (15, 1212417), (27, 673565), (45, 404139), (107, 169965), (135, 134713), (321, 56655), (535, 33993), (963, 18885), (1259, 14445), (1605, 11331), (2889, 6295), (3777, 4815)]