19852336

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 44277920

約数和(自身を除く): 24425584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1129, 1256, 2198, 2258, 2512, 4396, 4516, 7903, 8792, 9032, 15806, 17584, 18064, 31612, 63224, 126448, 177253, 354506, 709012, 1240771, 1418024, 2481542, 2836048, 4963084, 9926168, 19852336]

約数ペア:

[(1, 19852336), (2, 9926168), (4, 4963084), (7, 2836048), (8, 2481542), (14, 1418024), (16, 1240771), (28, 709012), (56, 354506), (112, 177253), (157, 126448), (314, 63224), (628, 31612), (1099, 18064), (1129, 17584), (1256, 15806), (2198, 9032), (2258, 8792), (2512, 7903), (4396, 4516)]