1805207984

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{2128783}}^1$

素因数の和:2128844

約数の個数: 20

約数和(自身を含む): 3563584416

約数和(自身を除く): 1758376432

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 2128783, 4257566, 8515132, 17030264, 34060528, 112825499, 225650998, 451301996, 902603992, 1805207984]

約数ペア:

[(1, 1805207984), (2, 902603992), (4, 451301996), (8, 225650998), (16, 112825499), (53, 34060528), (106, 17030264), (212, 8515132), (424, 4257566), (848, 2128783)]