18768138

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 39384576

約数和(自身を除く): 20616438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 307, 443, 614, 886, 921, 1329, 1842, 2658, 7061, 10189, 14122, 20378, 21183, 30567, 42366, 61134, 136001, 272002, 408003, 816006, 3128023, 6256046, 9384069, 18768138]

約数ペア:

[(1, 18768138), (2, 9384069), (3, 6256046), (6, 3128023), (23, 816006), (46, 408003), (69, 272002), (138, 136001), (307, 61134), (443, 42366), (614, 30567), (886, 21183), (921, 20378), (1329, 14122), (1842, 10189), (2658, 7061)]