19996496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96137}}^1$

素因数の和:96158

約数の個数: 20

約数和(自身を含む): 41723892

約数和(自身を除く): 21727396

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96137, 192274, 384548, 769096, 1249781, 1538192, 2499562, 4999124, 9998248, 19996496]

約数ペア:

[(1, 19996496), (2, 9998248), (4, 4999124), (8, 2499562), (13, 1538192), (16, 1249781), (26, 769096), (52, 384548), (104, 192274), (208, 96137)]