19625157

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 32535360

約数和(自身を除く): 12910203

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 157, 171, 323, 387, 471, 731, 817, 969, 1413, 2193, 2451, 2669, 2907, 2983, 6579, 6751, 7353, 8007, 8949, 13889, 20253, 24021, 26847, 41667, 50711, 60759, 114767, 125001, 128269, 152133, 344301, 384807, 456399, 1032903, 1154421, 2180573, 6541719, 19625157]

約数ペア:

[(1, 19625157), (3, 6541719), (9, 2180573), (17, 1154421), (19, 1032903), (43, 456399), (51, 384807), (57, 344301), (129, 152133), (153, 128269), (157, 125001), (171, 114767), (323, 60759), (387, 50711), (471, 41667), (731, 26847), (817, 24021), (969, 20253), (1413, 13889), (2193, 8949), (2451, 8007), (2669, 7353), (2907, 6751), (2983, 6579)]