19804101

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 27054720

約数和(自身を除く): 7250619

約数列:

[1, 3, 71, 109, 213, 327, 853, 2559, 7739, 23217, 60563, 92977, 181689, 278931, 6601367, 19804101]

約数ペア:

[(1, 19804101), (3, 6601367), (71, 278931), (109, 181689), (213, 92977), (327, 60563), (853, 23217), (2559, 7739)]