194615020

素因数分解:

$2^2\times 5^1\times {\mathrm{9730751}}^1$

素因数の和:9730760

約数の個数: 12

約数和(自身を含む): 408691584

約数和(自身を除く): 214076564

約数列:

[1, 2, 4, 5, 10, 20, 9730751, 19461502, 38923004, 48653755, 97307510, 194615020]

約数ペア:

[(1, 194615020), (2, 97307510), (4, 48653755), (5, 38923004), (10, 19461502), (20, 9730751)]