18824481

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 12363039

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 101, 117, 177, 243, 303, 351, 531, 767, 909, 1053, 1313, 1593, 2301, 2727, 3159, 3939, 4779, 5959, 6903, 8181, 11817, 14337, 17877, 20709, 24543, 35451, 53631, 62127, 77467, 106353, 160893, 186381, 232401, 319059, 482679, 697203, 1448037, 2091609, 6274827, 18824481]

約数ペア:

[(1, 18824481), (3, 6274827), (9, 2091609), (13, 1448037), (27, 697203), (39, 482679), (59, 319059), (81, 232401), (101, 186381), (117, 160893), (177, 106353), (243, 77467), (303, 62127), (351, 53631), (531, 35451), (767, 24543), (909, 20709), (1053, 17877), (1313, 14337), (1593, 11817), (2301, 8181), (2727, 6903), (3159, 5959), (3939, 4779)]