18986367057

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53183101}}^1$

素因数の和:53183128

約数の個数: 16

約数和(自身を含む): 30633466752

約数和(自身を除く): 11647099695

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53183101, 159549303, 372281707, 904112717, 1116845121, 2712338151, 6328789019, 18986367057]

約数ペア:

[(1, 18986367057), (3, 6328789019), (7, 2712338151), (17, 1116845121), (21, 904112717), (51, 372281707), (119, 159549303), (357, 53183101)]