18858303359

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1\times {\mathrm{2089}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 22998159360

約数和(自身を除く): 4139856001

約数列:

[1, 7, 23, 47, 161, 329, 1081, 1193, 2089, 7567, 8351, 14623, 27439, 48047, 56071, 98183, 192073, 336329, 392497, 687281, 1289633, 2258209, 2492177, 9027431, 15807463, 17445239, 57320071, 117132319, 401240497, 819926233, 2694043337, 18858303359]

約数ペア:

[(1, 18858303359), (7, 2694043337), (23, 819926233), (47, 401240497), (161, 117132319), (329, 57320071), (1081, 17445239), (1193, 15807463), (2089, 9027431), (7567, 2492177), (8351, 2258209), (14623, 1289633), (27439, 687281), (48047, 392497), (56071, 336329), (98183, 192073)]