18506943

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 15039297

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 63, 91, 117, 177, 273, 383, 413, 531, 767, 819, 1149, 1239, 2301, 2681, 3447, 3717, 4979, 5369, 6903, 8043, 14937, 16107, 22597, 24129, 34853, 44811, 48321, 67791, 104559, 158179, 203373, 293761, 313677, 474537, 881283, 1423611, 2056327, 2643849, 6168981, 18506943]

約数ペア:

[(1, 18506943), (3, 6168981), (7, 2643849), (9, 2056327), (13, 1423611), (21, 881283), (39, 474537), (59, 313677), (63, 293761), (91, 203373), (117, 158179), (177, 104559), (273, 67791), (383, 48321), (413, 44811), (531, 34853), (767, 24129), (819, 22597), (1149, 16107), (1239, 14937), (2301, 8043), (2681, 6903), (3447, 5369), (3717, 4979)]