19975312

素因数分解:

$2^4\times 7^1\times {\mathrm{178351}}^1$

素因数の和:178366

約数の個数: 20

約数和(自身を含む): 44231296

約数和(自身を除く): 24255984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178351, 356702, 713404, 1248457, 1426808, 2496914, 2853616, 4993828, 9987656, 19975312]

約数ペア:

[(1, 19975312), (2, 9987656), (4, 4993828), (7, 2853616), (8, 2496914), (14, 1426808), (16, 1248457), (28, 713404), (56, 356702), (112, 178351)]