18952976

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1071

約数の個数: 40

約数和(自身を含む): 42229440

約数和(自身を除く): 23276464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 859, 1379, 1576, 1718, 2758, 3152, 3436, 5516, 6013, 6872, 11032, 12026, 13744, 22064, 24052, 48104, 96208, 169223, 338446, 676892, 1184561, 1353784, 2369122, 2707568, 4738244, 9476488, 18952976]

約数ペア:

[(1, 18952976), (2, 9476488), (4, 4738244), (7, 2707568), (8, 2369122), (14, 1353784), (16, 1184561), (28, 676892), (56, 338446), (112, 169223), (197, 96208), (394, 48104), (788, 24052), (859, 22064), (1379, 13744), (1576, 12026), (1718, 11032), (2758, 6872), (3152, 6013), (3436, 5516)]