19988362

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{15889}}^1$

素因数の和:15945

約数の個数: 16

約数和(自身を含む): 32606280

約数和(自身を除く): 12617918

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 15889, 31778, 270113, 540226, 587893, 1175786, 9994181, 19988362]

約数ペア:

[(1, 19988362), (2, 9994181), (17, 1175786), (34, 587893), (37, 540226), (74, 270113), (629, 31778), (1258, 15889)]