19201072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109097}}^1$

素因数の和:109116

約数の個数: 20

約数和(自身を含む): 40584456

約数和(自身を除く): 21383384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109097, 218194, 436388, 872776, 1200067, 1745552, 2400134, 4800268, 9600536, 19201072]

約数ペア:

[(1, 19201072), (2, 9600536), (4, 4800268), (8, 2400134), (11, 1745552), (16, 1200067), (22, 872776), (44, 436388), (88, 218194), (176, 109097)]