19286876

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 40153344

約数和(自身を除く): 20866468

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 166, 172, 193, 301, 332, 386, 581, 602, 772, 1162, 1204, 1351, 2324, 2702, 3569, 5404, 7138, 8299, 14276, 16019, 16598, 24983, 32038, 33196, 49966, 58093, 64076, 99932, 112133, 116186, 224266, 232372, 448532, 688817, 1377634, 2755268, 4821719, 9643438, 19286876]

約数ペア:

[(1, 19286876), (2, 9643438), (4, 4821719), (7, 2755268), (14, 1377634), (28, 688817), (43, 448532), (83, 232372), (86, 224266), (166, 116186), (172, 112133), (193, 99932), (301, 64076), (332, 58093), (386, 49966), (581, 33196), (602, 32038), (772, 24983), (1162, 16598), (1204, 16019), (1351, 14276), (2324, 8299), (2702, 7138), (3569, 5404)]