218362878

素因数分解:

$2^1\times 3^4\times {\mathrm{1347919}}^1$

素因数の和:1347933

約数の個数: 20

約数和(自身を含む): 489294960

約数和(自身を除く): 270932082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1347919, 2695838, 4043757, 8087514, 12131271, 24262542, 36393813, 72787626, 109181439, 218362878]

約数ペア:

[(1, 218362878), (2, 109181439), (3, 72787626), (6, 36393813), (9, 24262542), (18, 12131271), (27, 8087514), (54, 4043757), (81, 2695838), (162, 1347919)]