19895312

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9791}}^1$

素因数の和:9926

約数の個数: 20

約数和(自身を含む): 38854656

約数和(自身を除く): 18959344

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9791, 19582, 39164, 78328, 156656, 1243457, 2486914, 4973828, 9947656, 19895312]

約数ペア:

[(1, 19895312), (2, 9947656), (4, 4973828), (8, 2486914), (16, 1243457), (127, 156656), (254, 78328), (508, 39164), (1016, 19582), (2032, 9791)]