19632208

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11257}}^1$

素因数の和:11374

約数の個数: 20

約数和(自身を含む): 38389780

約数和(自身を除く): 18757572

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11257, 22514, 45028, 90056, 180112, 1227013, 2454026, 4908052, 9816104, 19632208]

約数ペア:

[(1, 19632208), (2, 9816104), (4, 4908052), (8, 2454026), (16, 1227013), (109, 180112), (218, 90056), (436, 45028), (872, 22514), (1744, 11257)]