19901672

素因数分解:

$2^3\times 7^1\times {\mathrm{467}}^1\times {\mathrm{761}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 42793920

約数和(自身を除く): 22892248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 467, 761, 934, 1522, 1868, 3044, 3269, 3736, 5327, 6088, 6538, 10654, 13076, 21308, 26152, 42616, 355387, 710774, 1421548, 2487709, 2843096, 4975418, 9950836, 19901672]

約数ペア:

[(1, 19901672), (2, 9950836), (4, 4975418), (7, 2843096), (8, 2487709), (14, 1421548), (28, 710774), (56, 355387), (467, 42616), (761, 26152), (934, 21308), (1522, 13076), (1868, 10654), (3044, 6538), (3269, 6088), (3736, 5327)]