19699856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 41943744

約数和(自身を除く): 22243888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 173, 176, 346, 647, 692, 1294, 1384, 1903, 2588, 2768, 3806, 5176, 7117, 7612, 10352, 14234, 15224, 28468, 30448, 56936, 111931, 113872, 223862, 447724, 895448, 1231241, 1790896, 2462482, 4924964, 9849928, 19699856]

約数ペア:

[(1, 19699856), (2, 9849928), (4, 4924964), (8, 2462482), (11, 1790896), (16, 1231241), (22, 895448), (44, 447724), (88, 223862), (173, 113872), (176, 111931), (346, 56936), (647, 30448), (692, 28468), (1294, 15224), (1384, 14234), (1903, 10352), (2588, 7612), (2768, 7117), (3806, 5176)]