19404985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 6722375

約数列:

[1, 5, 19, 23, 83, 95, 107, 115, 415, 437, 535, 1577, 1909, 2033, 2185, 2461, 7885, 8881, 9545, 10165, 12305, 36271, 44405, 46759, 168739, 181355, 204263, 233795, 843695, 1021315, 3880997, 19404985]

約数ペア:

[(1, 19404985), (5, 3880997), (19, 1021315), (23, 843695), (83, 233795), (95, 204263), (107, 181355), (115, 168739), (415, 46759), (437, 44405), (535, 36271), (1577, 12305), (1909, 10165), (2033, 9545), (2185, 8881), (2461, 7885)]