18909888

素因数分解:

$2^6\times 3^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:825

約数の個数: 56

約数和(自身を含む): 50444400

約数和(自身を除く): 31534512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 149, 192, 298, 447, 596, 661, 894, 1192, 1322, 1788, 1983, 2384, 2644, 3576, 3966, 4768, 5288, 7152, 7932, 9536, 10576, 14304, 15864, 21152, 28608, 31728, 42304, 63456, 98489, 126912, 196978, 295467, 393956, 590934, 787912, 1181868, 1575824, 2363736, 3151648, 4727472, 6303296, 9454944, 18909888]

約数ペア:

[(1, 18909888), (2, 9454944), (3, 6303296), (4, 4727472), (6, 3151648), (8, 2363736), (12, 1575824), (16, 1181868), (24, 787912), (32, 590934), (48, 393956), (64, 295467), (96, 196978), (149, 126912), (192, 98489), (298, 63456), (447, 42304), (596, 31728), (661, 28608), (894, 21152), (1192, 15864), (1322, 14304), (1788, 10576), (1983, 9536), (2384, 7932), (2644, 7152), (3576, 5288), (3966, 4768)]