18719636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18947}}^1$

素因数の和:18983

約数の個数: 24

約数和(自身を含む): 37138080

約数和(自身を除く): 18418444

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 18947, 37894, 75788, 246311, 359993, 492622, 719986, 985244, 1439972, 4679909, 9359818, 18719636]

約数ペア:

[(1, 18719636), (2, 9359818), (4, 4679909), (13, 1439972), (19, 985244), (26, 719986), (38, 492622), (52, 359993), (76, 246311), (247, 75788), (494, 37894), (988, 18947)]