19267408

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22721}}^1$

素因数の和:22782

約数の個数: 20

約数和(自身を含む): 38036628

約数和(自身を除く): 18769220

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22721, 45442, 90884, 181768, 363536, 1204213, 2408426, 4816852, 9633704, 19267408]

約数ペア:

[(1, 19267408), (2, 9633704), (4, 4816852), (8, 2408426), (16, 1204213), (53, 363536), (106, 181768), (212, 90884), (424, 45442), (848, 22721)]