19943355

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5563}}^1$

素因数の和:5810

約数の個数: 16

約数和(自身を含む): 32048640

約数和(自身を除く): 12105285

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5563, 16689, 27815, 83445, 1329557, 3988671, 6647785, 19943355]

約数ペア:

[(1, 19943355), (3, 6647785), (5, 3988671), (15, 1329557), (239, 83445), (717, 27815), (1195, 16689), (3585, 5563)]