18272511

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 28226016

約数和(自身を除く): 9953505

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2153, 2829, 6459, 8487, 19377, 49519, 88273, 148557, 264819, 445671, 794457, 2030279, 6090837, 18272511]

約数ペア:

[(1, 18272511), (3, 6090837), (9, 2030279), (23, 794457), (41, 445671), (69, 264819), (123, 148557), (207, 88273), (369, 49519), (943, 19377), (2153, 8487), (2829, 6459)]