2019912884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1\times {\mathrm{661}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 3892560000

約数和(自身を除く): 1872647116

約数列:

[1, 2, 4, 11, 22, 44, 199, 349, 398, 661, 698, 796, 1322, 1396, 2189, 2644, 3839, 4378, 7271, 7678, 8756, 14542, 15356, 29084, 69451, 131539, 138902, 230689, 263078, 277804, 461378, 526156, 763961, 922756, 1446929, 1527922, 2537579, 2893858, 3055844, 5075158, 5787716, 10150316, 45907111, 91814222, 183628444, 504978221, 1009956442, 2019912884]

約数ペア:

[(1, 2019912884), (2, 1009956442), (4, 504978221), (11, 183628444), (22, 91814222), (44, 45907111), (199, 10150316), (349, 5787716), (398, 5075158), (661, 3055844), (698, 2893858), (796, 2537579), (1322, 1527922), (1396, 1446929), (2189, 922756), (2644, 763961), (3839, 526156), (4378, 461378), (7271, 277804), (7678, 263078), (8756, 230689), (14542, 138902), (15356, 131539), (29084, 69451)]