19966528

素因数分解:

$2^6\times {\mathrm{223}}^1\times {\mathrm{1399}}^1$

素因数の和:1634

約数の個数: 28

約数和(自身を含む): 39827200

約数和(自身を除く): 19860672

約数列:

[1, 2, 4, 8, 16, 32, 64, 223, 446, 892, 1399, 1784, 2798, 3568, 5596, 7136, 11192, 14272, 22384, 44768, 89536, 311977, 623954, 1247908, 2495816, 4991632, 9983264, 19966528]

約数ペア:

[(1, 19966528), (2, 9983264), (4, 4991632), (8, 2495816), (16, 1247908), (32, 623954), (64, 311977), (223, 89536), (446, 44768), (892, 22384), (1399, 14272), (1784, 11192), (2798, 7136), (3568, 5596)]