18711368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179917}}^1$

素因数の和:179936

約数の個数: 16

約数和(自身を含む): 37782780

約数和(自身を除く): 19071412

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179917, 359834, 719668, 1439336, 2338921, 4677842, 9355684, 18711368]

約数ペア:

[(1, 18711368), (2, 9355684), (4, 4677842), (8, 2338921), (13, 1439336), (26, 719668), (52, 359834), (104, 179917)]