18705946

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 35031744

約数和(自身を除く): 16325798

約数列:

[1, 2, 7, 14, 23, 43, 46, 49, 86, 98, 161, 193, 301, 322, 386, 602, 989, 1127, 1351, 1978, 2107, 2254, 2702, 4214, 4439, 6923, 8299, 8878, 9457, 13846, 16598, 18914, 31073, 48461, 58093, 62146, 96922, 116186, 190877, 217511, 381754, 406651, 435022, 813302, 1336139, 2672278, 9352973, 18705946]

約数ペア:

[(1, 18705946), (2, 9352973), (7, 2672278), (14, 1336139), (23, 813302), (43, 435022), (46, 406651), (49, 381754), (86, 217511), (98, 190877), (161, 116186), (193, 96922), (301, 62146), (322, 58093), (386, 48461), (602, 31073), (989, 18914), (1127, 16598), (1351, 13846), (1978, 9457), (2107, 8878), (2254, 8299), (2702, 6923), (4214, 4439)]