17939404808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{69247}}^1$

素因数の和:69366

約数の個数: 64

約数和(自身を含む): 37693071360

約数和(自身を除く): 19753666552

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 53, 94, 104, 106, 188, 212, 376, 424, 611, 689, 1222, 1378, 2444, 2491, 2756, 4888, 4982, 5512, 9964, 19928, 32383, 64766, 69247, 129532, 138494, 259064, 276988, 553976, 900211, 1800422, 3254609, 3600844, 3670091, 6509218, 7201688, 7340182, 13018436, 14680364, 26036872, 29360728, 42309917, 47711183, 84619834, 95422366, 169239668, 172494277, 190844732, 338479336, 344988554, 381689464, 689977108, 1379954216, 2242425601, 4484851202, 8969702404, 17939404808]

約数ペア:

[(1, 17939404808), (2, 8969702404), (4, 4484851202), (8, 2242425601), (13, 1379954216), (26, 689977108), (47, 381689464), (52, 344988554), (53, 338479336), (94, 190844732), (104, 172494277), (106, 169239668), (188, 95422366), (212, 84619834), (376, 47711183), (424, 42309917), (611, 29360728), (689, 26036872), (1222, 14680364), (1378, 13018436), (2444, 7340182), (2491, 7201688), (2756, 6509218), (4888, 3670091), (4982, 3600844), (5512, 3254609), (9964, 1800422), (19928, 900211), (32383, 553976), (64766, 276988), (69247, 259064), (129532, 138494)]