1819090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 4032000

約数和(自身を除く): 2212910

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1999, 3998, 9995, 13993, 19990, 25987, 27986, 51974, 69965, 129935, 139930, 181909, 259870, 363818, 909545, 1819090]

約数ペア:

[(1, 1819090), (2, 909545), (5, 363818), (7, 259870), (10, 181909), (13, 139930), (14, 129935), (26, 69965), (35, 51974), (65, 27986), (70, 25987), (91, 19990), (130, 13993), (182, 9995), (455, 3998), (910, 1999)]