19773138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 49840128

約数和(自身を除く): 30066990

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 127, 154, 231, 254, 337, 381, 462, 674, 762, 889, 1011, 1397, 1778, 2022, 2359, 2667, 2794, 3707, 4191, 4718, 5334, 7077, 7414, 8382, 9779, 11121, 14154, 19558, 22242, 25949, 29337, 42799, 51898, 58674, 77847, 85598, 128397, 155694, 256794, 299593, 470789, 599186, 898779, 941578, 1412367, 1797558, 2824734, 3295523, 6591046, 9886569, 19773138]

約数ペア:

[(1, 19773138), (2, 9886569), (3, 6591046), (6, 3295523), (7, 2824734), (11, 1797558), (14, 1412367), (21, 941578), (22, 898779), (33, 599186), (42, 470789), (66, 299593), (77, 256794), (127, 155694), (154, 128397), (231, 85598), (254, 77847), (337, 58674), (381, 51898), (462, 42799), (674, 29337), (762, 25949), (889, 22242), (1011, 19558), (1397, 14154), (1778, 11121), (2022, 9779), (2359, 8382), (2667, 7414), (2794, 7077), (3707, 5334), (4191, 4718)]