19806448

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3547}}^1$

素因数の和:3904

約数の個数: 20

約数和(自身を含む): 38495800

約数和(自身を除く): 18689352

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3547, 5584, 7094, 14188, 28376, 56752, 1237903, 2475806, 4951612, 9903224, 19806448]

約数ペア:

[(1, 19806448), (2, 9903224), (4, 4951612), (8, 2475806), (16, 1237903), (349, 56752), (698, 28376), (1396, 14188), (2792, 7094), (3547, 5584)]