188812420

素因数分解:

$2^2\times 5^1\times {\mathrm{9440621}}^1$

素因数の和:9440630

約数の個数: 12

約数和(自身を含む): 396506124

約数和(自身を除く): 207693704

約数列:

[1, 2, 4, 5, 10, 20, 9440621, 18881242, 37762484, 47203105, 94406210, 188812420]

約数ペア:

[(1, 188812420), (2, 94406210), (4, 47203105), (5, 37762484), (10, 18881242), (20, 9440621)]