18949593

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10080807

約数列:

[1, 3, 13, 19, 39, 57, 107, 239, 247, 321, 717, 741, 1391, 2033, 3107, 4173, 4541, 6099, 9321, 13623, 25573, 26429, 59033, 76719, 79287, 177099, 332449, 485887, 997347, 1457661, 6316531, 18949593]

約数ペア:

[(1, 18949593), (3, 6316531), (13, 1457661), (19, 997347), (39, 485887), (57, 332449), (107, 177099), (239, 79287), (247, 76719), (321, 59033), (717, 26429), (741, 25573), (1391, 13623), (2033, 9321), (3107, 6099), (4173, 4541)]