19250287

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 26265600

約数和(自身を除く): 7015313

約数列:

[1, 7, 19, 23, 29, 31, 49, 133, 161, 203, 217, 437, 551, 589, 667, 713, 899, 931, 1127, 1421, 1519, 3059, 3857, 4123, 4669, 4991, 6293, 12673, 13547, 17081, 20677, 21413, 26999, 28861, 32683, 34937, 44051, 88711, 94829, 119567, 144739, 392863, 620977, 663803, 836969, 1013173, 2750041, 19250287]

約数ペア:

[(1, 19250287), (7, 2750041), (19, 1013173), (23, 836969), (29, 663803), (31, 620977), (49, 392863), (133, 144739), (161, 119567), (203, 94829), (217, 88711), (437, 44051), (551, 34937), (589, 32683), (667, 28861), (713, 26999), (899, 21413), (931, 20677), (1127, 17081), (1421, 13547), (1519, 12673), (3059, 6293), (3857, 4991), (4123, 4669)]