18787468

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{997}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 37668512

約数和(自身を除く): 18881044

約数列:

[1, 2, 4, 7, 14, 28, 673, 997, 1346, 1994, 2692, 3988, 4711, 6979, 9422, 13958, 18844, 27916, 670981, 1341962, 2683924, 4696867, 9393734, 18787468]

約数ペア:

[(1, 18787468), (2, 9393734), (4, 4696867), (7, 2683924), (14, 1341962), (28, 670981), (673, 27916), (997, 18844), (1346, 13958), (1994, 9422), (2692, 6979), (3988, 4711)]