16865872

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{19889}}^1$

素因数の和:19950

約数の個数: 20

約数和(自身を含む): 33295860

約数和(自身を除く): 16429988

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 19889, 39778, 79556, 159112, 318224, 1054117, 2108234, 4216468, 8432936, 16865872]

約数ペア:

[(1, 16865872), (2, 8432936), (4, 4216468), (8, 2108234), (16, 1054117), (53, 318224), (106, 159112), (212, 79556), (424, 39778), (848, 19889)]