18321394

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 35076888

約数和(自身を除く): 16755494

約数列:

[1, 2, 7, 13, 14, 26, 49, 73, 91, 98, 146, 182, 197, 394, 511, 637, 949, 1022, 1274, 1379, 1898, 2561, 2758, 3577, 5122, 6643, 7154, 9653, 13286, 14381, 17927, 19306, 28762, 35854, 46501, 93002, 100667, 125489, 186953, 201334, 250978, 373906, 704669, 1308671, 1409338, 2617342, 9160697, 18321394]

約数ペア:

[(1, 18321394), (2, 9160697), (7, 2617342), (13, 1409338), (14, 1308671), (26, 704669), (49, 373906), (73, 250978), (91, 201334), (98, 186953), (146, 125489), (182, 100667), (197, 93002), (394, 46501), (511, 35854), (637, 28762), (949, 19306), (1022, 17927), (1274, 14381), (1379, 13286), (1898, 9653), (2561, 7154), (2758, 6643), (3577, 5122)]