19182177

素因数分解:

$3^7\times 7^2\times {\mathrm{179}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 33652800

約数和(自身を除く): 14470623

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 179, 189, 243, 441, 537, 567, 729, 1253, 1323, 1611, 1701, 2187, 3759, 3969, 4833, 5103, 8771, 11277, 11907, 14499, 15309, 26313, 33831, 35721, 43497, 78939, 101493, 107163, 130491, 236817, 304479, 391473, 710451, 913437, 2131353, 2740311, 6394059, 19182177]

約数ペア:

[(1, 19182177), (3, 6394059), (7, 2740311), (9, 2131353), (21, 913437), (27, 710451), (49, 391473), (63, 304479), (81, 236817), (147, 130491), (179, 107163), (189, 101493), (243, 78939), (441, 43497), (537, 35721), (567, 33831), (729, 26313), (1253, 15309), (1323, 14499), (1611, 11907), (1701, 11277), (2187, 8771), (3759, 5103), (3969, 4833)]