19929850

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2003}}^1$

素因数の和:2214

約数の個数: 24

約数和(自身を含む): 37274400

約数和(自身を除く): 17344550

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 2003, 4006, 4975, 9950, 10015, 20030, 50075, 100150, 398597, 797194, 1992985, 3985970, 9964925, 19929850]

約数ペア:

[(1, 19929850), (2, 9964925), (5, 3985970), (10, 1992985), (25, 797194), (50, 398597), (199, 100150), (398, 50075), (995, 20030), (1990, 10015), (2003, 9950), (4006, 4975)]