19444912

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17117}}^1$

素因数の和:17196

約数の個数: 20

約数和(自身を含む): 38207376

約数和(自身を除く): 18762464

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17117, 34234, 68468, 136936, 273872, 1215307, 2430614, 4861228, 9722456, 19444912]

約数ペア:

[(1, 19444912), (2, 9722456), (4, 4861228), (8, 2430614), (16, 1215307), (71, 273872), (142, 136936), (284, 68468), (568, 34234), (1136, 17117)]