19944816752

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2508151}}^1$

素因数の和:2508237

約数の個数: 40

約数和(自身を含む): 44785562112

約数和(自身を除く): 24840745360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 2508151, 5016302, 10032604, 17557057, 20065208, 35114114, 40130416, 70228228, 140456456, 178078721, 280912912, 356157442, 712314884, 1246551047, 1424629768, 2493102094, 2849259536, 4986204188, 9972408376, 19944816752]

約数ペア:

[(1, 19944816752), (2, 9972408376), (4, 4986204188), (7, 2849259536), (8, 2493102094), (14, 1424629768), (16, 1246551047), (28, 712314884), (56, 356157442), (71, 280912912), (112, 178078721), (142, 140456456), (284, 70228228), (497, 40130416), (568, 35114114), (994, 20065208), (1136, 17557057), (1988, 10032604), (3976, 5016302), (7952, 2508151)]