18275493

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 26259552

約数和(自身を除く): 7984059

約数列:

[1, 3, 17, 51, 107, 197, 289, 321, 591, 867, 1819, 3349, 5457, 10047, 21079, 30923, 56933, 63237, 92769, 170799, 358343, 1075029, 6091831, 18275493]

約数ペア:

[(1, 18275493), (3, 6091831), (17, 1075029), (51, 358343), (107, 170799), (197, 92769), (289, 63237), (321, 56933), (591, 30923), (867, 21079), (1819, 10047), (3349, 5457)]