19520368

素因数分解:

$2^4\times 7^1\times {\mathrm{174289}}^1$

素因数の和:174304

約数の個数: 20

約数和(自身を含む): 43223920

約数和(自身を除く): 23703552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 174289, 348578, 697156, 1220023, 1394312, 2440046, 2788624, 4880092, 9760184, 19520368]

約数ペア:

[(1, 19520368), (2, 9760184), (4, 4880092), (7, 2788624), (8, 2440046), (14, 1394312), (16, 1220023), (28, 697156), (56, 348578), (112, 174289)]