18661312

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6836

約数の個数: 28

約数和(自身を含む): 37897816

約数和(自身を除く): 19236504

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 6781, 13562, 27124, 54248, 108496, 216992, 291583, 433984, 583166, 1166332, 2332664, 4665328, 9330656, 18661312]

約数ペア:

[(1, 18661312), (2, 9330656), (4, 4665328), (8, 2332664), (16, 1166332), (32, 583166), (43, 433984), (64, 291583), (86, 216992), (172, 108496), (344, 54248), (688, 27124), (1376, 13562), (2752, 6781)]