18385437

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 28715232

約数和(自身を除く): 10329795

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 691, 1267, 2073, 3801, 4837, 8869, 14511, 26607, 33859, 101577, 125071, 375213, 875497, 2626491, 6128479, 18385437]

約数ペア:

[(1, 18385437), (3, 6128479), (7, 2626491), (21, 875497), (49, 375213), (147, 125071), (181, 101577), (543, 33859), (691, 26607), (1267, 14511), (2073, 8869), (3801, 4837)]