1890318872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{422701}}^1$

素因数の和:422763

約数の個数: 32

約数和(自身を含む): 3905766480

約数和(自身を除く): 2015447608

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 422701, 845402, 1690804, 3381608, 5495113, 10990226, 18176143, 21980452, 36352286, 43960904, 72704572, 145409144, 236289859, 472579718, 945159436, 1890318872]

約数ペア:

[(1, 1890318872), (2, 945159436), (4, 472579718), (8, 236289859), (13, 145409144), (26, 72704572), (43, 43960904), (52, 36352286), (86, 21980452), (104, 18176143), (172, 10990226), (344, 5495113), (559, 3381608), (1118, 1690804), (2236, 845402), (4472, 422701)]