19165456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16871}}^1$

素因数の和:16950

約数の個数: 20

約数和(自身を含む): 37658304

約数和(自身を除く): 18492848

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16871, 33742, 67484, 134968, 269936, 1197841, 2395682, 4791364, 9582728, 19165456]

約数ペア:

[(1, 19165456), (2, 9582728), (4, 4791364), (8, 2395682), (16, 1197841), (71, 269936), (142, 134968), (284, 67484), (568, 33742), (1136, 16871)]