18287199

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1033}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 30325152

約数和(自身を除く): 12037953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1033, 1967, 2529, 3099, 5901, 7231, 9297, 17703, 21693, 65079, 290273, 870819, 2031911, 2612457, 6095733, 18287199]

約数ペア:

[(1, 18287199), (3, 6095733), (7, 2612457), (9, 2031911), (21, 870819), (63, 290273), (281, 65079), (843, 21693), (1033, 17703), (1967, 9297), (2529, 7231), (3099, 5901)]