19460805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 19730235

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 269, 273, 371, 455, 689, 795, 807, 1113, 1345, 1365, 1855, 1883, 2067, 3445, 3497, 4035, 4823, 5565, 5649, 9415, 10335, 10491, 14257, 14469, 17485, 24115, 24479, 28245, 42771, 52455, 71285, 72345, 73437, 99799, 122395, 185341, 213855, 299397, 367185, 498995, 556023, 926705, 1297387, 1496985, 2780115, 3892161, 6486935, 19460805]

約数ペア:

[(1, 19460805), (3, 6486935), (5, 3892161), (7, 2780115), (13, 1496985), (15, 1297387), (21, 926705), (35, 556023), (39, 498995), (53, 367185), (65, 299397), (91, 213855), (105, 185341), (159, 122395), (195, 99799), (265, 73437), (269, 72345), (273, 71285), (371, 52455), (455, 42771), (689, 28245), (795, 24479), (807, 24115), (1113, 17485), (1345, 14469), (1365, 14257), (1855, 10491), (1883, 10335), (2067, 9415), (3445, 5649), (3497, 5565), (4035, 4823)]