19443249

素因数分解:

$3^2\times 7^2\times {\mathrm{44089}}^1$

素因数の和:44109

約数の個数: 18

約数和(自身を含む): 32670690

約数和(自身を除く): 13227441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 44089, 132267, 308623, 396801, 925869, 2160361, 2777607, 6481083, 19443249]

約数ペア:

[(1, 19443249), (3, 6481083), (7, 2777607), (9, 2160361), (21, 925869), (49, 396801), (63, 308623), (147, 132267), (441, 44089)]