19827728

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8317}}^1$

素因数の和:8474

約数の個数: 20

約数和(自身を含む): 38678700

約数和(自身を除く): 18850972

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8317, 16634, 33268, 66536, 133072, 1239233, 2478466, 4956932, 9913864, 19827728]

約数ペア:

[(1, 19827728), (2, 9913864), (4, 4956932), (8, 2478466), (16, 1239233), (149, 133072), (298, 66536), (596, 33268), (1192, 16634), (2384, 8317)]