19728176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94847}}^1$

素因数の和:94868

約数の個数: 20

約数和(自身を含む): 41164032

約数和(自身を除く): 21435856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94847, 189694, 379388, 758776, 1233011, 1517552, 2466022, 4932044, 9864088, 19728176]

約数ペア:

[(1, 19728176), (2, 9864088), (4, 4932044), (8, 2466022), (13, 1517552), (16, 1233011), (26, 758776), (52, 379388), (104, 189694), (208, 94847)]