187829780

素因数分解:

$2^2\times 5^1\times {\mathrm{9391489}}^1$

素因数の和:9391498

約数の個数: 12

約数和(自身を含む): 394442580

約数和(自身を除く): 206612800

約数列:

[1, 2, 4, 5, 10, 20, 9391489, 18782978, 37565956, 46957445, 93914890, 187829780]

約数ペア:

[(1, 187829780), (2, 93914890), (4, 46957445), (5, 37565956), (10, 18782978), (20, 9391489)]