19850464

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8737}}^1$

素因数の和:8818

約数の個数: 24

約数和(自身を含む): 39635568

約数和(自身を除く): 19785104

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8737, 17474, 34948, 69896, 139792, 279584, 620327, 1240654, 2481308, 4962616, 9925232, 19850464]

約数ペア:

[(1, 19850464), (2, 9925232), (4, 4962616), (8, 2481308), (16, 1240654), (32, 620327), (71, 279584), (142, 139792), (284, 69896), (568, 34948), (1136, 17474), (2272, 8737)]