19981984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{56767}}^1$

素因数の和:56788

約数の個数: 24

約数和(自身を含む): 42916608

約数和(自身を除く): 22934624

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 56767, 113534, 227068, 454136, 624437, 908272, 1248874, 1816544, 2497748, 4995496, 9990992, 19981984]

約数ペア:

[(1, 19981984), (2, 9990992), (4, 4995496), (8, 2497748), (11, 1816544), (16, 1248874), (22, 908272), (32, 624437), (44, 454136), (88, 227068), (176, 113534), (352, 56767)]