2019179980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{736927}}^1$

素因数の和:737073

約数の個数: 24

約数和(自身を含む): 4271234688

約数和(自身を除く): 2252054708

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 736927, 1473854, 2947708, 3684635, 7369270, 14738540, 100958999, 201917998, 403835996, 504794995, 1009589990, 2019179980]

約数ペア:

[(1, 2019179980), (2, 1009589990), (4, 504794995), (5, 403835996), (10, 201917998), (20, 100958999), (137, 14738540), (274, 7369270), (548, 3684635), (685, 2947708), (1370, 1473854), (2740, 736927)]