18157557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 10043403

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 509, 517, 759, 1081, 1527, 1551, 3243, 5599, 11707, 11891, 16797, 23923, 35121, 35673, 71769, 128777, 263153, 386331, 550229, 789459, 1650687, 6052519, 18157557]

約数ペア:

[(1, 18157557), (3, 6052519), (11, 1650687), (23, 789459), (33, 550229), (47, 386331), (69, 263153), (141, 128777), (253, 71769), (509, 35673), (517, 35121), (759, 23923), (1081, 16797), (1527, 11891), (1551, 11707), (3243, 5599)]