19377876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{661}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 51900800

約数和(自身を除く): 32522924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 349, 661, 698, 1047, 1322, 1396, 1983, 2094, 2443, 2644, 3966, 4188, 4627, 4886, 7329, 7932, 9254, 9772, 13881, 14658, 18508, 27762, 29316, 55524, 230689, 461378, 692067, 922756, 1384134, 1614823, 2768268, 3229646, 4844469, 6459292, 9688938, 19377876]

約数ペア:

[(1, 19377876), (2, 9688938), (3, 6459292), (4, 4844469), (6, 3229646), (7, 2768268), (12, 1614823), (14, 1384134), (21, 922756), (28, 692067), (42, 461378), (84, 230689), (349, 55524), (661, 29316), (698, 27762), (1047, 18508), (1322, 14658), (1396, 13881), (1983, 9772), (2094, 9254), (2443, 7932), (2644, 7329), (3966, 4886), (4188, 4627)]