18914007

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8263}}^1$

素因数の和:8382

約数の個数: 16

約数和(自身を含む): 29089280

約数和(自身を除く): 10175273

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8263, 24789, 57841, 173523, 900667, 2702001, 6304669, 18914007]

約数ペア:

[(1, 18914007), (3, 6304669), (7, 2702001), (21, 900667), (109, 173523), (327, 57841), (763, 24789), (2289, 8263)]