19961312

素因数分解:

$2^5\times 7^1\times {\mathrm{89113}}^1$

素因数の和:89130

約数の個数: 24

約数和(自身を含む): 44913456

約数和(自身を除く): 24952144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89113, 178226, 356452, 623791, 712904, 1247582, 1425808, 2495164, 2851616, 4990328, 9980656, 19961312]

約数ペア:

[(1, 19961312), (2, 9980656), (4, 4990328), (7, 2851616), (8, 2495164), (14, 1425808), (16, 1247582), (28, 712904), (32, 623791), (56, 356452), (112, 178226), (224, 89113)]