18720832

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{22501}}^1$

素因数の和:22526

約数の個数: 28

約数和(自身を含む): 40008556

約数和(自身を除く): 21287724

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 22501, 45002, 90004, 180008, 292513, 360016, 585026, 720032, 1170052, 1440064, 2340104, 4680208, 9360416, 18720832]

約数ペア:

[(1, 18720832), (2, 9360416), (4, 4680208), (8, 2340104), (13, 1440064), (16, 1170052), (26, 720032), (32, 585026), (52, 360016), (64, 292513), (104, 180008), (208, 90004), (416, 45002), (832, 22501)]