17945720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34511}}^1$

素因数の和:34535

約数の個数: 32

約数和(自身を含む): 43485120

約数和(自身を除く): 25539400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34511, 69022, 138044, 172555, 276088, 345110, 448643, 690220, 897286, 1380440, 1794572, 2243215, 3589144, 4486430, 8972860, 17945720]

約数ペア:

[(1, 17945720), (2, 8972860), (4, 4486430), (5, 3589144), (8, 2243215), (10, 1794572), (13, 1380440), (20, 897286), (26, 690220), (40, 448643), (52, 345110), (65, 276088), (104, 172555), (130, 138044), (260, 69022), (520, 34511)]