2019905811

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1543}}^1\times {\mathrm{1889}}^1$

素因数の和:3456

約数の個数: 48

約数和(自身を含む): 3641863680

約数和(自身を除く): 1621957869

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 1543, 1889, 4629, 5667, 10801, 13223, 13887, 16973, 17001, 20779, 32403, 39669, 50919, 62337, 97209, 118811, 119007, 145453, 152757, 187011, 356433, 436359, 1069299, 1309077, 2914727, 8744181, 20403089, 26232543, 32061997, 61209267, 96185991, 183627801, 224433979, 288557973, 673301937, 2019905811]

約数ペア:

[(1, 2019905811), (3, 673301937), (7, 288557973), (9, 224433979), (11, 183627801), (21, 96185991), (33, 61209267), (63, 32061997), (77, 26232543), (99, 20403089), (231, 8744181), (693, 2914727), (1543, 1309077), (1889, 1069299), (4629, 436359), (5667, 356433), (10801, 187011), (13223, 152757), (13887, 145453), (16973, 119007), (17001, 118811), (20779, 97209), (32403, 62337), (39669, 50919)]