20618221842

素因数分解:

$2^1\times 3^3\times {\mathrm{381818923}}^1$

素因数の和:381818934

約数の個数: 16

約数和(自身を含む): 45818270880

約数和(自身を除く): 25200049038

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 381818923, 763637846, 1145456769, 2290913538, 3436370307, 6872740614, 10309110921, 20618221842]

約数ペア:

[(1, 20618221842), (2, 10309110921), (3, 6872740614), (6, 3436370307), (9, 2290913538), (18, 1145456769), (27, 763637846), (54, 381818923)]