19920292

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15137}}^1$

素因数の和:15195

約数の個数: 24

約数和(自身を含む): 40690944

約数和(自身を除く): 20770652

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15137, 30274, 60548, 105959, 211918, 423836, 711439, 1422878, 2845756, 4980073, 9960146, 19920292]

約数ペア:

[(1, 19920292), (2, 9960146), (4, 4980073), (7, 2845756), (14, 1422878), (28, 711439), (47, 423836), (94, 211918), (188, 105959), (329, 60548), (658, 30274), (1316, 15137)]