19962068

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 22185772

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 223, 278, 322, 446, 556, 644, 892, 973, 1561, 1946, 3122, 3197, 3892, 5129, 6244, 6394, 10258, 12788, 20516, 22379, 30997, 35903, 44758, 61994, 71806, 89516, 123988, 143612, 216979, 433958, 712931, 867916, 1425862, 2851724, 4990517, 9981034, 19962068]

約数ペア:

[(1, 19962068), (2, 9981034), (4, 4990517), (7, 2851724), (14, 1425862), (23, 867916), (28, 712931), (46, 433958), (92, 216979), (139, 143612), (161, 123988), (223, 89516), (278, 71806), (322, 61994), (446, 44758), (556, 35903), (644, 30997), (892, 22379), (973, 20516), (1561, 12788), (1946, 10258), (3122, 6394), (3197, 6244), (3892, 5129)]