19576137

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 32904960

約数和(自身を除く): 13328823

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 163, 301, 399, 489, 817, 903, 931, 1141, 2107, 2451, 2793, 3097, 3423, 5719, 6321, 7009, 7987, 9291, 17157, 21027, 21679, 23961, 40033, 49063, 65037, 120099, 133171, 147189, 151753, 343441, 399513, 455259, 932197, 1030323, 2796591, 6525379, 19576137]

約数ペア:

[(1, 19576137), (3, 6525379), (7, 2796591), (19, 1030323), (21, 932197), (43, 455259), (49, 399513), (57, 343441), (129, 151753), (133, 147189), (147, 133171), (163, 120099), (301, 65037), (399, 49063), (489, 40033), (817, 23961), (903, 21679), (931, 21027), (1141, 17157), (2107, 9291), (2451, 7987), (2793, 7009), (3097, 6321), (3423, 5719)]