19412656

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3119}}^1$

素因数の和:3516

約数の個数: 20

約数和(自身を含む): 37720800

約数和(自身を除く): 18308144

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3119, 6224, 6238, 12476, 24952, 49904, 1213291, 2426582, 4853164, 9706328, 19412656]

約数ペア:

[(1, 19412656), (2, 9706328), (4, 4853164), (8, 2426582), (16, 1213291), (389, 49904), (778, 24952), (1556, 12476), (3112, 6238), (3119, 6224)]