18857433

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12301}}^1$

素因数の和:12384

約数の個数: 16

約数和(自身を含む): 29131136

約数和(自身を除く): 10273703

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12301, 36903, 86107, 258321, 897973, 2693919, 6285811, 18857433]

約数ペア:

[(1, 18857433), (3, 6285811), (7, 2693919), (21, 897973), (73, 258321), (219, 86107), (511, 36903), (1533, 12301)]