19444293

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 32118240

約数和(自身を除く): 12673947

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 139, 157, 297, 417, 471, 891, 1251, 1413, 1529, 1727, 3753, 4239, 4587, 5181, 11259, 12717, 13761, 15543, 21823, 41283, 46629, 65469, 123849, 139887, 196407, 240053, 589221, 720159, 1767663, 2160477, 6481431, 19444293]

約数ペア:

[(1, 19444293), (3, 6481431), (9, 2160477), (11, 1767663), (27, 720159), (33, 589221), (81, 240053), (99, 196407), (139, 139887), (157, 123849), (297, 65469), (417, 46629), (471, 41283), (891, 21823), (1251, 15543), (1413, 13761), (1529, 12717), (1727, 11259), (3753, 5181), (4239, 4587)]