19800256

素因数分解:

$2^6\times 7^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 56

約数和(自身を含む): 45333920

約数和(自身を除く): 25533664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 193, 224, 229, 386, 448, 458, 772, 916, 1351, 1544, 1603, 1832, 2702, 3088, 3206, 3664, 5404, 6176, 6412, 7328, 10808, 12352, 12824, 14656, 21616, 25648, 43232, 44197, 51296, 86464, 88394, 102592, 176788, 309379, 353576, 618758, 707152, 1237516, 1414304, 2475032, 2828608, 4950064, 9900128, 19800256]

約数ペア:

[(1, 19800256), (2, 9900128), (4, 4950064), (7, 2828608), (8, 2475032), (14, 1414304), (16, 1237516), (28, 707152), (32, 618758), (56, 353576), (64, 309379), (112, 176788), (193, 102592), (224, 88394), (229, 86464), (386, 51296), (448, 44197), (458, 43232), (772, 25648), (916, 21616), (1351, 14656), (1544, 12824), (1603, 12352), (1832, 10808), (2702, 7328), (3088, 6412), (3206, 6176), (3664, 5404)]