19856792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60539}}^1$

素因数の和:60586

約数の個数: 16

約数和(自身を含む): 38140200

約数和(自身を除く): 18283408

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60539, 121078, 242156, 484312, 2482099, 4964198, 9928396, 19856792]

約数ペア:

[(1, 19856792), (2, 9928396), (4, 4964198), (8, 2482099), (41, 484312), (82, 242156), (164, 121078), (328, 60539)]