18641231

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3643}}^1$

素因数の和:3710

約数の個数: 16

約数和(自身を含む): 23088384

約数和(自身を除く): 4447153

約数列:

[1, 7, 17, 43, 119, 301, 731, 3643, 5117, 25501, 61931, 156649, 433517, 1096543, 2663033, 18641231]

約数ペア:

[(1, 18641231), (7, 2663033), (17, 1096543), (43, 433517), (119, 156649), (301, 61931), (731, 25501), (3643, 5117)]