19961984

素因数分解:

$2^7\times 7^1\times {\mathrm{22279}}^1$

素因数の和:22300

約数の個数: 32

約数和(自身を含む): 45451200

約数和(自身を除く): 25489216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22279, 44558, 89116, 155953, 178232, 311906, 356464, 623812, 712928, 1247624, 1425856, 2495248, 2851712, 4990496, 9980992, 19961984]

約数ペア:

[(1, 19961984), (2, 9980992), (4, 4990496), (7, 2851712), (8, 2495248), (14, 1425856), (16, 1247624), (28, 712928), (32, 623812), (56, 356464), (64, 311906), (112, 178232), (128, 155953), (224, 89116), (448, 44558), (896, 22279)]