18768884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 37296000

約数和(自身を除く): 18527116

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 73, 76, 146, 199, 292, 323, 398, 646, 796, 1241, 1292, 1387, 2482, 2774, 3383, 3781, 4964, 5548, 6766, 7562, 13532, 14527, 15124, 23579, 29054, 47158, 58108, 64277, 94316, 128554, 246959, 257108, 276013, 493918, 552026, 987836, 1104052, 4692221, 9384442, 18768884]

約数ペア:

[(1, 18768884), (2, 9384442), (4, 4692221), (17, 1104052), (19, 987836), (34, 552026), (38, 493918), (68, 276013), (73, 257108), (76, 246959), (146, 128554), (199, 94316), (292, 64277), (323, 58108), (398, 47158), (646, 29054), (796, 23579), (1241, 15124), (1292, 14527), (1387, 13532), (2482, 7562), (2774, 6766), (3383, 5548), (3781, 4964)]