19480293

素因数分解:

$3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 33054528

約数和(自身を除く): 13574235

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 271, 441, 489, 813, 1141, 1467, 1897, 2439, 3423, 5691, 7987, 10269, 13279, 17073, 23961, 39837, 44173, 71883, 119511, 132519, 309211, 397557, 927633, 2164477, 2782899, 6493431, 19480293]

約数ペア:

[(1, 19480293), (3, 6493431), (7, 2782899), (9, 2164477), (21, 927633), (49, 397557), (63, 309211), (147, 132519), (163, 119511), (271, 71883), (441, 44173), (489, 39837), (813, 23961), (1141, 17073), (1467, 13279), (1897, 10269), (2439, 7987), (3423, 5691)]