19946324

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 36146880

約数和(自身を除く): 16200556

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1303, 2606, 3827, 5212, 7654, 15308, 56029, 112058, 115967, 224116, 231934, 463868, 4986581, 9973162, 19946324]

約数ペア:

[(1, 19946324), (2, 9973162), (4, 4986581), (43, 463868), (86, 231934), (89, 224116), (172, 115967), (178, 112058), (356, 56029), (1303, 15308), (2606, 7654), (3827, 5212)]