19693312

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1848

約数の個数: 36

約数和(自身を含む): 40246360

約数和(自身を除く): 20553048

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1789, 2752, 3578, 5504, 7156, 11008, 14312, 28624, 57248, 76927, 114496, 153854, 228992, 307708, 457984, 615416, 1230832, 2461664, 4923328, 9846656, 19693312]

約数ペア:

[(1, 19693312), (2, 9846656), (4, 4923328), (8, 2461664), (16, 1230832), (32, 615416), (43, 457984), (64, 307708), (86, 228992), (128, 153854), (172, 114496), (256, 76927), (344, 57248), (688, 28624), (1376, 14312), (1789, 11008), (2752, 7156), (3578, 5504)]