19785332

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16433}}^1$

素因数の和:16487

約数の個数: 24

約数和(自身を含む): 40493376

約数和(自身を除く): 20708044

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16433, 32866, 65732, 115031, 230062, 460124, 706619, 1413238, 2826476, 4946333, 9892666, 19785332]

約数ペア:

[(1, 19785332), (2, 9892666), (4, 4946333), (7, 2826476), (14, 1413238), (28, 706619), (43, 460124), (86, 230062), (172, 115031), (301, 65732), (602, 32866), (1204, 16433)]