18169894

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 9650906

約数列:

[1, 2, 71, 142, 199, 398, 643, 1286, 14129, 28258, 45653, 91306, 127957, 255914, 9084947, 18169894]

約数ペア:

[(1, 18169894), (2, 9084947), (71, 255914), (142, 127957), (199, 91306), (398, 45653), (643, 28258), (1286, 14129)]