19943738

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 30451680

約数和(自身を除く): 10507942

約数列:

[1, 2, 83, 166, 317, 379, 634, 758, 26311, 31457, 52622, 62914, 120143, 240286, 9971869, 19943738]

約数ペア:

[(1, 19943738), (2, 9971869), (83, 240286), (166, 120143), (317, 62914), (379, 52622), (634, 31457), (758, 26311)]