2019113780

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{67801}}^1$

素因数の和:69299

約数の個数: 24

約数和(自身を含む): 4243049160

約数和(自身を除く): 2223935380

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 14890, 29780, 67801, 135602, 271204, 339005, 678010, 1356020, 100955689, 201911378, 403822756, 504778445, 1009556890, 2019113780]

約数ペア:

[(1, 2019113780), (2, 1009556890), (4, 504778445), (5, 403822756), (10, 201911378), (20, 100955689), (1489, 1356020), (2978, 678010), (5956, 339005), (7445, 271204), (14890, 135602), (29780, 67801)]