218528082

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{638971}}^1$

素因数の和:638998

約数の個数: 24

約数和(自身を含む): 498398160

約数和(自身を除く): 279870078

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 638971, 1277942, 1916913, 3833826, 5750739, 11501478, 12140449, 24280898, 36421347, 72842694, 109264041, 218528082]

約数ペア:

[(1, 218528082), (2, 109264041), (3, 72842694), (6, 36421347), (9, 24280898), (18, 12140449), (19, 11501478), (38, 5750739), (57, 3833826), (114, 1916913), (171, 1277942), (342, 638971)]