19707328

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4337}}^1$

素因数の和:4420

約数の個数: 28

約数和(自身を含む): 39666672

約数和(自身を除く): 19959344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4337, 4544, 8674, 17348, 34696, 69392, 138784, 277568, 307927, 615854, 1231708, 2463416, 4926832, 9853664, 19707328]

約数ペア:

[(1, 19707328), (2, 9853664), (4, 4926832), (8, 2463416), (16, 1231708), (32, 615854), (64, 307927), (71, 277568), (142, 138784), (284, 69392), (568, 34696), (1136, 17348), (2272, 8674), (4337, 4544)]