19996528

素因数分解:

$2^4\times {\mathrm{887}}^1\times {\mathrm{1409}}^1$

素因数の和:2304

約数の個数: 20

約数和(自身を含む): 38814480

約数和(自身を除く): 18817952

約数列:

[1, 2, 4, 8, 16, 887, 1409, 1774, 2818, 3548, 5636, 7096, 11272, 14192, 22544, 1249783, 2499566, 4999132, 9998264, 19996528]

約数ペア:

[(1, 19996528), (2, 9998264), (4, 4999132), (8, 2499566), (16, 1249783), (887, 22544), (1409, 14192), (1774, 11272), (2818, 7096), (3548, 5636)]