19369287

素因数分解:

$3^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 33895680

約数和(自身を除く): 14526393

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 193, 243, 413, 531, 567, 579, 1239, 1351, 1593, 1701, 1737, 3717, 4053, 4779, 5211, 11151, 11387, 12159, 14337, 15633, 33453, 34161, 36477, 46899, 79709, 100359, 102483, 109431, 239127, 307449, 328293, 717381, 922347, 2152143, 2767041, 6456429, 19369287]

約数ペア:

[(1, 19369287), (3, 6456429), (7, 2767041), (9, 2152143), (21, 922347), (27, 717381), (59, 328293), (63, 307449), (81, 239127), (177, 109431), (189, 102483), (193, 100359), (243, 79709), (413, 46899), (531, 36477), (567, 34161), (579, 33453), (1239, 15633), (1351, 14337), (1593, 12159), (1701, 11387), (1737, 11151), (3717, 5211), (4053, 4779)]