19668564

素因数分解:

$2^2\times 3^2\times {\mathrm{546349}}^1$

素因数の和:546359

約数の個数: 18

約数和(自身を含む): 49717850

約数和(自身を除く): 30049286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546349, 1092698, 1639047, 2185396, 3278094, 4917141, 6556188, 9834282, 19668564]

約数ペア:

[(1, 19668564), (2, 9834282), (3, 6556188), (4, 4917141), (6, 3278094), (9, 2185396), (12, 1639047), (18, 1092698), (36, 546349)]