19789210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{282703}}^1$

素因数の和:282717

約数の個数: 16

約数和(自身を含む): 40709376

約数和(自身を除く): 20920166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 282703, 565406, 1413515, 1978921, 2827030, 3957842, 9894605, 19789210]

約数ペア:

[(1, 19789210), (2, 9894605), (5, 3957842), (7, 2827030), (10, 1978921), (14, 1413515), (35, 565406), (70, 282703)]