19520912

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4639}}^1$

素因数の和:4910

約数の個数: 20

約数和(自身を含む): 37973760

約数和(自身を除く): 18452848

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4639, 9278, 18556, 37112, 74224, 1220057, 2440114, 4880228, 9760456, 19520912]

約数ペア:

[(1, 19520912), (2, 9760456), (4, 4880228), (8, 2440114), (16, 1220057), (263, 74224), (526, 37112), (1052, 18556), (2104, 9278), (4208, 4639)]