1980747454

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7446419}}^1$

素因数の和:7446447

約数の個数: 16

約数和(自身を含む): 3574281600

約数和(自身を除く): 1593534146

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7446419, 14892838, 52124933, 104249866, 141481961, 282963922, 990373727, 1980747454]

約数ペア:

[(1, 1980747454), (2, 990373727), (7, 282963922), (14, 141481961), (19, 104249866), (38, 52124933), (133, 14892838), (266, 7446419)]