18172593

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1598

約数の個数: 20

約数和(自身を含む): 27338740

約数和(自身を除く): 9166147

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1429, 4239, 4287, 12717, 12861, 38583, 115749, 224353, 673059, 2019177, 6057531, 18172593]

約数ペア:

[(1, 18172593), (3, 6057531), (9, 2019177), (27, 673059), (81, 224353), (157, 115749), (471, 38583), (1413, 12861), (1429, 12717), (4239, 4287)]