19821032

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28562968

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1399, 1771, 2024, 2798, 3542, 5596, 7084, 9793, 11192, 14168, 15389, 19586, 30778, 32177, 39172, 61556, 64354, 78344, 107723, 123112, 128708, 215446, 225239, 257416, 353947, 430892, 450478, 707894, 861784, 900956, 1415788, 1801912, 2477629, 2831576, 4955258, 9910516, 19821032]

約数ペア:

[(1, 19821032), (2, 9910516), (4, 4955258), (7, 2831576), (8, 2477629), (11, 1801912), (14, 1415788), (22, 900956), (23, 861784), (28, 707894), (44, 450478), (46, 430892), (56, 353947), (77, 257416), (88, 225239), (92, 215446), (154, 128708), (161, 123112), (184, 107723), (253, 78344), (308, 64354), (322, 61556), (506, 39172), (616, 32177), (644, 30778), (1012, 19586), (1288, 15389), (1399, 14168), (1771, 11192), (2024, 9793), (2798, 7084), (3542, 5596)]