18818305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 25787520

約数和(自身を除く): 6969215

約数列:

[1, 5, 11, 43, 55, 73, 109, 215, 365, 473, 545, 803, 1199, 2365, 3139, 4015, 4687, 5995, 7957, 15695, 23435, 34529, 39785, 51557, 87527, 172645, 257785, 342151, 437635, 1710755, 3763661, 18818305]

約数ペア:

[(1, 18818305), (5, 3763661), (11, 1710755), (43, 437635), (55, 342151), (73, 257785), (109, 172645), (215, 87527), (365, 51557), (473, 39785), (545, 34529), (803, 23435), (1199, 15695), (2365, 7957), (3139, 5995), (4015, 4687)]