18142059

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 27143424

約数和(自身を除く): 9001365

約数列:

[1, 3, 13, 39, 53, 67, 131, 159, 201, 393, 689, 871, 1703, 2067, 2613, 3551, 5109, 6943, 8777, 10653, 20829, 26331, 46163, 90259, 114101, 138489, 270777, 342303, 465181, 1395543, 6047353, 18142059]

約数ペア:

[(1, 18142059), (3, 6047353), (13, 1395543), (39, 465181), (53, 342303), (67, 270777), (131, 138489), (159, 114101), (201, 90259), (393, 46163), (689, 26331), (871, 20829), (1703, 10653), (2067, 8777), (2613, 6943), (3551, 5109)]