19815874558

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{4339}}^1\times {\mathrm{17431}}^1$

素因数の和:21903

約数の個数: 16

約数和(自身を含む): 29959332480

約数和(自身を除く): 10143457922

約数列:

[1, 2, 131, 262, 4339, 8678, 17431, 34862, 568409, 1136818, 2283461, 4566922, 75633109, 151266218, 9907937279, 19815874558]

約数ペア:

[(1, 19815874558), (2, 9907937279), (131, 151266218), (262, 75633109), (4339, 4566922), (8678, 2283461), (17431, 1136818), (34862, 568409)]