198248282380

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{19474291}}^1$

素因数の和:19474809

約数の個数: 24

約数和(自身を含む): 417139334640

約数和(自身を除く): 218891052260

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 19474291, 38948582, 77897164, 97371455, 194742910, 389485820, 9912414119, 19824828238, 39649656476, 49562070595, 99124141190, 198248282380]

約数ペア:

[(1, 198248282380), (2, 99124141190), (4, 49562070595), (5, 39649656476), (10, 19824828238), (20, 9912414119), (509, 389485820), (1018, 194742910), (2036, 97371455), (2545, 77897164), (5090, 38948582), (10180, 19474291)]