17938962524

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{2647}}^1$

素因数の和:3223

約数の個数: 72

約数和(自身を含む): 37123011072

約数和(自身を除く): 19184048548

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 487, 497, 974, 994, 1948, 1988, 2647, 3409, 3479, 5294, 6818, 6958, 10588, 13636, 13916, 18529, 23863, 34577, 37058, 47726, 69154, 74116, 95452, 129703, 138308, 187937, 242039, 259406, 375874, 484078, 518812, 751748, 968156, 1289089, 1315559, 1694273, 2578178, 2631118, 3388546, 5156356, 5262236, 6777092, 9023623, 9208913, 18047246, 18417826, 36094492, 36835652, 63165361, 91525319, 126330722, 183050638, 252661444, 366101276, 640677233, 1281354466, 2562708932, 4484740631, 8969481262, 17938962524]

約数ペア:

[(1, 17938962524), (2, 8969481262), (4, 4484740631), (7, 2562708932), (14, 1281354466), (28, 640677233), (49, 366101276), (71, 252661444), (98, 183050638), (142, 126330722), (196, 91525319), (284, 63165361), (487, 36835652), (497, 36094492), (974, 18417826), (994, 18047246), (1948, 9208913), (1988, 9023623), (2647, 6777092), (3409, 5262236), (3479, 5156356), (5294, 3388546), (6818, 2631118), (6958, 2578178), (10588, 1694273), (13636, 1315559), (13916, 1289089), (18529, 968156), (23863, 751748), (34577, 518812), (37058, 484078), (47726, 375874), (69154, 259406), (74116, 242039), (95452, 187937), (129703, 138308)]