2138304190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19439129}}^1$

素因数の和:19439147

約数の個数: 16

約数和(自身を含む): 4198852080

約数和(自身を除く): 2060547890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19439129, 38878258, 97195645, 194391290, 213830419, 427660838, 1069152095, 2138304190]

約数ペア:

[(1, 2138304190), (2, 1069152095), (5, 427660838), (10, 213830419), (11, 194391290), (22, 97195645), (55, 38878258), (110, 19439129)]