15941456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1347

約数の個数: 40

約数和(自身を含む): 33331200

約数和(自身を除く): 17389744

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1279, 1558, 2558, 3116, 5116, 6232, 10232, 12464, 20464, 24301, 48602, 52439, 97204, 104878, 194408, 209756, 388816, 419512, 839024, 996341, 1992682, 3985364, 7970728, 15941456]

約数ペア:

[(1, 15941456), (2, 7970728), (4, 3985364), (8, 1992682), (16, 996341), (19, 839024), (38, 419512), (41, 388816), (76, 209756), (82, 194408), (152, 104878), (164, 97204), (304, 52439), (328, 48602), (656, 24301), (779, 20464), (1279, 12464), (1558, 10232), (2558, 6232), (3116, 5116)]