19801854

素因数分解:

$2^1\times 3^3\times {\mathrm{366701}}^1$

素因数の和:366712

約数の個数: 16

約数和(自身を含む): 44004240

約数和(自身を除く): 24202386

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 366701, 733402, 1100103, 2200206, 3300309, 6600618, 9900927, 19801854]

約数ペア:

[(1, 19801854), (2, 9900927), (3, 6600618), (6, 3300309), (9, 2200206), (18, 1100103), (27, 733402), (54, 366701)]