19976096

素因数分解:

$2^5\times 7^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 45251136

約数和(自身を除く): 25275040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 257, 347, 514, 694, 1028, 1388, 1799, 2056, 2429, 2776, 3598, 4112, 4858, 5552, 7196, 8224, 9716, 11104, 14392, 19432, 28784, 38864, 57568, 77728, 89179, 178358, 356716, 624253, 713432, 1248506, 1426864, 2497012, 2853728, 4994024, 9988048, 19976096]

約数ペア:

[(1, 19976096), (2, 9988048), (4, 4994024), (7, 2853728), (8, 2497012), (14, 1426864), (16, 1248506), (28, 713432), (32, 624253), (56, 356716), (112, 178358), (224, 89179), (257, 77728), (347, 57568), (514, 38864), (694, 28784), (1028, 19432), (1388, 14392), (1799, 11104), (2056, 9716), (2429, 8224), (2776, 7196), (3598, 5552), (4112, 4858)]