18706893

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{733}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 25648896

約数和(自身を除く): 6942003

約数列:

[1, 3, 47, 141, 181, 543, 733, 2199, 8507, 25521, 34451, 103353, 132673, 398019, 6235631, 18706893]

約数ペア:

[(1, 18706893), (3, 6235631), (47, 398019), (141, 132673), (181, 103353), (543, 34451), (733, 25521), (2199, 8507)]