12990708

素因数分解:

$2^2\times 3^2\times {\mathrm{360853}}^1$

素因数の和:360863

約数の個数: 18

約数和(自身を含む): 32837714

約数和(自身を除く): 19847006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 360853, 721706, 1082559, 1443412, 2165118, 3247677, 4330236, 6495354, 12990708]

約数ペア:

[(1, 12990708), (2, 6495354), (3, 4330236), (4, 3247677), (6, 2165118), (9, 1443412), (12, 1082559), (18, 721706), (36, 360853)]