19395369

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 33608960

約数和(自身を除く): 14213591

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 433, 553, 567, 711, 1299, 1659, 2133, 3031, 3897, 4977, 6399, 9093, 11691, 14931, 27279, 34207, 35073, 44793, 81837, 102621, 239449, 245511, 307863, 718347, 923589, 2155041, 2770767, 6465123, 19395369]

約数ペア:

[(1, 19395369), (3, 6465123), (7, 2770767), (9, 2155041), (21, 923589), (27, 718347), (63, 307863), (79, 245511), (81, 239449), (189, 102621), (237, 81837), (433, 44793), (553, 35073), (567, 34207), (711, 27279), (1299, 14931), (1659, 11691), (2133, 9093), (3031, 6399), (3897, 4977)]