19445860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138899}}^1$

素因数の和:138915

約数の個数: 24

約数和(自身を含む): 46670400

約数和(自身を除く): 27224540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138899, 277798, 555596, 694495, 972293, 1388990, 1944586, 2777980, 3889172, 4861465, 9722930, 19445860]

約数ペア:

[(1, 19445860), (2, 9722930), (4, 4861465), (5, 3889172), (7, 2777980), (10, 1944586), (14, 1388990), (20, 972293), (28, 694495), (35, 555596), (70, 277798), (140, 138899)]