19289072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109597}}^1$

素因数の和:109616

約数の個数: 20

約数和(自身を含む): 40770456

約数和(自身を除く): 21481384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109597, 219194, 438388, 876776, 1205567, 1753552, 2411134, 4822268, 9644536, 19289072]

約数ペア:

[(1, 19289072), (2, 9644536), (4, 4822268), (8, 2411134), (11, 1753552), (16, 1205567), (22, 876776), (44, 438388), (88, 219194), (176, 109597)]