19958666

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109663}}^1$

素因数の和:109685

約数の個数: 16

約数和(自身を含む): 36847104

約数和(自身を除く): 16888438

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 109663, 219326, 767641, 1425619, 1535282, 2851238, 9979333, 19958666]

約数ペア:

[(1, 19958666), (2, 9979333), (7, 2851238), (13, 1535282), (14, 1425619), (26, 767641), (91, 219326), (182, 109663)]