18080781

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 6917619

約数列:

[1, 3, 31, 93, 433, 449, 1299, 1347, 13423, 13919, 40269, 41757, 194417, 583251, 6026927, 18080781]

約数ペア:

[(1, 18080781), (3, 6026927), (31, 583251), (93, 194417), (433, 41757), (449, 40269), (1299, 13919), (1347, 13423)]