19638278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{30781}}^1$

素因数の和:30823

約数の個数: 16

約数和(自身を含む): 33244560

約数和(自身を除く): 13606282

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 30781, 61562, 338591, 677182, 892649, 1785298, 9819139, 19638278]

約数ペア:

[(1, 19638278), (2, 9819139), (11, 1785298), (22, 892649), (29, 677182), (58, 338591), (319, 61562), (638, 30781)]