18877837

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 21978432

約数和(自身を除く): 3100595

約数列:

[1, 11, 17, 157, 187, 643, 1727, 2669, 7073, 10931, 29359, 100951, 120241, 1110461, 1716167, 18877837]

約数ペア:

[(1, 18877837), (11, 1716167), (17, 1110461), (157, 120241), (187, 100951), (643, 29359), (1727, 10931), (2669, 7073)]