12893210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 27648000

約数和(自身を除く): 14754790

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 199, 209, 310, 341, 398, 418, 589, 682, 995, 1045, 1178, 1705, 1990, 2090, 2189, 2945, 3410, 3781, 4378, 5890, 6169, 6479, 7562, 10945, 12338, 12958, 18905, 21890, 30845, 32395, 37810, 41591, 61690, 64790, 67859, 83182, 117211, 135718, 207955, 234422, 339295, 415910, 586055, 678590, 1172110, 1289321, 2578642, 6446605, 12893210]

約数ペア:

[(1, 12893210), (2, 6446605), (5, 2578642), (10, 1289321), (11, 1172110), (19, 678590), (22, 586055), (31, 415910), (38, 339295), (55, 234422), (62, 207955), (95, 135718), (110, 117211), (155, 83182), (190, 67859), (199, 64790), (209, 61690), (310, 41591), (341, 37810), (398, 32395), (418, 30845), (589, 21890), (682, 18905), (995, 12958), (1045, 12338), (1178, 10945), (1705, 7562), (1990, 6479), (2090, 6169), (2189, 5890), (2945, 4378), (3410, 3781)]