19990194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475957}}^1$

素因数の和:475969

約数の個数: 16

約数和(自身を含む): 45691968

約数和(自身を除く): 25701774

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475957, 951914, 1427871, 2855742, 3331699, 6663398, 9995097, 19990194]

約数ペア:

[(1, 19990194), (2, 9995097), (3, 6663398), (6, 3331699), (7, 2855742), (14, 1427871), (21, 951914), (42, 475957)]