19539009

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 33597440

約数和(自身を除く): 14058431

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1543, 1809, 4221, 4629, 10801, 12663, 13887, 32403, 41661, 97209, 103381, 291627, 310143, 723667, 930429, 2171001, 2791287, 6513003, 19539009]

約数ペア:

[(1, 19539009), (3, 6513003), (7, 2791287), (9, 2171001), (21, 930429), (27, 723667), (63, 310143), (67, 291627), (189, 103381), (201, 97209), (469, 41661), (603, 32403), (1407, 13887), (1543, 12663), (1809, 10801), (4221, 4629)]