2019115570

素因数分解:

$2^1\times 5^1\times {\mathrm{10009}}^1\times {\mathrm{20173}}^1$

素因数の和:30189

約数の個数: 16

約数和(自身を含む): 3634951320

約数和(自身を除く): 1615835750

約数列:

[1, 2, 5, 10, 10009, 20018, 20173, 40346, 50045, 100090, 100865, 201730, 201911557, 403823114, 1009557785, 2019115570]

約数ペア:

[(1, 2019115570), (2, 1009557785), (5, 403823114), (10, 201911557), (10009, 201730), (20018, 100865), (20173, 100090), (40346, 50045)]