19487680

素因数分解:

$2^6\times 5^1\times {\mathrm{60899}}^1$

素因数の和:60916

約数の個数: 28

約数和(自身を含む): 46405800

約数和(自身を除く): 26918120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 60899, 121798, 243596, 304495, 487192, 608990, 974384, 1217980, 1948768, 2435960, 3897536, 4871920, 9743840, 19487680]

約数ペア:

[(1, 19487680), (2, 9743840), (4, 4871920), (5, 3897536), (8, 2435960), (10, 1948768), (16, 1217980), (20, 974384), (32, 608990), (40, 487192), (64, 304495), (80, 243596), (160, 121798), (320, 60899)]