19870293628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{28001}}^1\times {\mathrm{4327}}^1$

素因数の和:32373

約数の個数: 24

約数和(自身を含む): 35630640864

約数和(自身を除く): 15760347236

約数列:

[1, 2, 4, 41, 82, 164, 4327, 8654, 17308, 28001, 56002, 112004, 177407, 354814, 709628, 1148041, 2296082, 4592164, 121160327, 242320654, 484641308, 4967573407, 9935146814, 19870293628]

約数ペア:

[(1, 19870293628), (2, 9935146814), (4, 4967573407), (41, 484641308), (82, 242320654), (164, 121160327), (4327, 4592164), (8654, 2296082), (17308, 1148041), (28001, 709628), (56002, 354814), (112004, 177407)]