19890366

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{46691}}^1$

素因数の和:46767

約数の個数: 16

約数和(自身を含む): 40341888

約数和(自身を除く): 20451522

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 46691, 93382, 140073, 280146, 3315061, 6630122, 9945183, 19890366]

約数ペア:

[(1, 19890366), (2, 9945183), (3, 6630122), (6, 3315061), (71, 280146), (142, 140073), (213, 93382), (426, 46691)]