19815912

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1753}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 54040740

約数和(自身を除く): 34224828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1753, 1884, 2826, 3506, 3768, 5259, 5652, 7012, 10518, 11304, 14024, 15777, 21036, 31554, 42072, 63108, 126216, 275221, 550442, 825663, 1100884, 1651326, 2201768, 2476989, 3302652, 4953978, 6605304, 9907956, 19815912]

約数ペア:

[(1, 19815912), (2, 9907956), (3, 6605304), (4, 4953978), (6, 3302652), (8, 2476989), (9, 2201768), (12, 1651326), (18, 1100884), (24, 825663), (36, 550442), (72, 275221), (157, 126216), (314, 63108), (471, 42072), (628, 31554), (942, 21036), (1256, 15777), (1413, 14024), (1753, 11304), (1884, 10518), (2826, 7012), (3506, 5652), (3768, 5259)]