19271920

素因数分解:

$2^4\times 5^1\times {\mathrm{240899}}^1$

素因数の和:240912

約数の個数: 20

約数和(自身を含む): 44807400

約数和(自身を除く): 25535480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240899, 481798, 963596, 1204495, 1927192, 2408990, 3854384, 4817980, 9635960, 19271920]

約数ペア:

[(1, 19271920), (2, 9635960), (4, 4817980), (5, 3854384), (8, 2408990), (10, 1927192), (16, 1204495), (20, 963596), (40, 481798), (80, 240899)]