19213450

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2142

約数の個数: 24

約数和(自身を含む): 35935200

約数和(自身を除く): 16721750

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1931, 1990, 3862, 4975, 9655, 9950, 19310, 48275, 96550, 384269, 768538, 1921345, 3842690, 9606725, 19213450]

約数ペア:

[(1, 19213450), (2, 9606725), (5, 3842690), (10, 1921345), (25, 768538), (50, 384269), (199, 96550), (398, 48275), (995, 19310), (1931, 9950), (1990, 9655), (3862, 4975)]