18744453

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2575

約数の個数: 40

約数和(自身を含む): 34476288

約数和(自身を除く): 15731835

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2543, 7371, 7629, 17801, 22887, 33059, 53403, 68661, 99177, 160209, 205983, 231413, 297531, 480627, 694239, 892593, 1441881, 2082717, 2677779, 6248151, 18744453]

約数ペア:

[(1, 18744453), (3, 6248151), (7, 2677779), (9, 2082717), (13, 1441881), (21, 892593), (27, 694239), (39, 480627), (63, 297531), (81, 231413), (91, 205983), (117, 160209), (189, 99177), (273, 68661), (351, 53403), (567, 33059), (819, 22887), (1053, 17801), (2457, 7629), (2543, 7371)]