19901098

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6737}}^1$

素因数の和:6957

約数の個数: 16

約数和(自身を含む): 34282944

約数和(自身を除く): 14381846

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6737, 13474, 47159, 94318, 1421507, 2843014, 9950549, 19901098]

約数ペア:

[(1, 19901098), (2, 9950549), (7, 2843014), (14, 1421507), (211, 94318), (422, 47159), (1477, 13474), (2954, 6737)]