19075316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 19732684

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 449, 494, 559, 817, 898, 988, 1118, 1634, 1796, 2236, 3268, 5837, 8531, 10621, 11674, 17062, 19307, 21242, 23348, 34124, 38614, 42484, 77228, 110903, 221806, 250991, 366833, 443612, 501982, 733666, 1003964, 1467332, 4768829, 9537658, 19075316]

約数ペア:

[(1, 19075316), (2, 9537658), (4, 4768829), (13, 1467332), (19, 1003964), (26, 733666), (38, 501982), (43, 443612), (52, 366833), (76, 250991), (86, 221806), (172, 110903), (247, 77228), (449, 42484), (494, 38614), (559, 34124), (817, 23348), (898, 21242), (988, 19307), (1118, 17062), (1634, 11674), (1796, 10621), (2236, 8531), (3268, 5837)]