19691336

素因数分解:

$2^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 43338240

約数和(自身を除く): 23646904

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 191, 196, 263, 382, 392, 526, 764, 1052, 1337, 1528, 1841, 2104, 2674, 3682, 5348, 7364, 9359, 10696, 12887, 14728, 18718, 25774, 37436, 50233, 51548, 74872, 100466, 103096, 200932, 351631, 401864, 703262, 1406524, 2461417, 2813048, 4922834, 9845668, 19691336]

約数ペア:

[(1, 19691336), (2, 9845668), (4, 4922834), (7, 2813048), (8, 2461417), (14, 1406524), (28, 703262), (49, 401864), (56, 351631), (98, 200932), (191, 103096), (196, 100466), (263, 74872), (382, 51548), (392, 50233), (526, 37436), (764, 25774), (1052, 18718), (1337, 14728), (1528, 12887), (1841, 10696), (2104, 9359), (2674, 7364), (3682, 5348)]