16864172

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 33986400

約数和(自身を除く): 17122228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 101, 169, 202, 247, 338, 404, 494, 676, 988, 1313, 1919, 2197, 2626, 3211, 3838, 4394, 5252, 6422, 7676, 8788, 12844, 17069, 24947, 34138, 41743, 49894, 68276, 83486, 99788, 166972, 221897, 324311, 443794, 648622, 887588, 1297244, 4216043, 8432086, 16864172]

約数ペア:

[(1, 16864172), (2, 8432086), (4, 4216043), (13, 1297244), (19, 887588), (26, 648622), (38, 443794), (52, 324311), (76, 221897), (101, 166972), (169, 99788), (202, 83486), (247, 68276), (338, 49894), (404, 41743), (494, 34138), (676, 24947), (988, 17069), (1313, 12844), (1919, 8788), (2197, 7676), (2626, 6422), (3211, 5252), (3838, 4394)]