2019011984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{76991}}^1$

素因数の和:77159

約数の個数: 40

約数和(自身を含む): 4296153600

約数和(自身を除く): 2277141616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 1192, 1639, 2384, 3278, 6556, 13112, 26224, 76991, 153982, 307964, 615928, 846901, 1231856, 1693802, 3387604, 6775208, 11471659, 13550416, 22943318, 45886636, 91773272, 126188249, 183546544, 252376498, 504752996, 1009505992, 2019011984]

約数ペア:

[(1, 2019011984), (2, 1009505992), (4, 504752996), (8, 252376498), (11, 183546544), (16, 126188249), (22, 91773272), (44, 45886636), (88, 22943318), (149, 13550416), (176, 11471659), (298, 6775208), (596, 3387604), (1192, 1693802), (1639, 1231856), (2384, 846901), (3278, 615928), (6556, 307964), (13112, 153982), (26224, 76991)]