12940254

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 29824080

約数和(自身を除く): 16883826

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 241, 314, 342, 471, 482, 723, 942, 1413, 1446, 2169, 2826, 2983, 4338, 4579, 5966, 8949, 9158, 13737, 17898, 26847, 27474, 37837, 41211, 53694, 75674, 82422, 113511, 227022, 340533, 681066, 718903, 1437806, 2156709, 4313418, 6470127, 12940254]

約数ペア:

[(1, 12940254), (2, 6470127), (3, 4313418), (6, 2156709), (9, 1437806), (18, 718903), (19, 681066), (38, 340533), (57, 227022), (114, 113511), (157, 82422), (171, 75674), (241, 53694), (314, 41211), (342, 37837), (471, 27474), (482, 26847), (723, 17898), (942, 13737), (1413, 9158), (1446, 8949), (2169, 5966), (2826, 4579), (2983, 4338)]